CmdPal: Fix styles applied to MoreCommandsButton (#41059)

## Summary of the Pull Request

- Apply the same padding to the button as used for primary and secondary
command buttons.
- Use consistent spacing between keycap blocks.
- Match keycap border style and inner text brush with other command
buttons.
- Add min width constraint to shortcut keycap element to make it at
least square.

<img width="961" height="355" alt="image"
src="https://github.com/user-attachments/assets/cff5ef7e-fe67-41ac-9796-063c0e69768a"
/>


<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist

- [x] Closes: #41052
- [x] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

## Detailed Description of the Pull Request / Additional comments

## Validation Steps Performed
👀

src/modules/cmdpal/Microsoft.CmdPal.UI/Controls/CommandBar.xaml

@@ -59,8 +59,24 @@
                     <Setter Property="BorderBrush" Value="{ThemeResource DividerStrokeColorDefaultBrush}" />
                     <Setter Property="BorderThickness" Value="1" />
                     <Setter Property="CornerRadius" Value="6" />
+                    <Setter Property="MinWidth" Value="20" />
                 </Style.Setters>
             </Style>
+
+            <Style x:Key="HotkeyTextBlockStyle" TargetType="TextBlock">
+                <Setter Property="FontSize" Value="10" />
+                <Setter Property="CharacterSpacing" Value="4" />
+                <Setter Property="Foreground" Value="{ThemeResource TextFillColorPrimaryBrush}" />
+                <Setter Property="HorizontalAlignment" Value="Center" />
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+
+            <Style x:Key="HotkeyFontIconStyle" TargetType="FontIcon">
+                <Setter Property="FontSize" Value="10" />
+                <Setter Property="Foreground" Value="{ThemeResource TextFillColorPrimaryBrush}" />
+                <Setter Property="HorizontalAlignment" Value="Center" />
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
         </ResourceDictionary>
     </UserControl.Resources>
 
@@ -155,12 +171,7 @@
                         Style="{StaticResource CaptionTextBlockStyle}"
                         Text="{x:Bind ViewModel.PrimaryCommand.Name, Mode=OneWay}" />
                     <Border Style="{StaticResource HotkeyStyle}">
-                        <FontIcon
-                            HorizontalAlignment="Left"
-                            VerticalAlignment="Center"
-                            FontSize="10"
-                            Foreground="{ThemeResource TextFillColorPrimaryBrush}"
-                            Glyph="&#xE751;" />
+                        <FontIcon Glyph="&#xE751;" Style="{StaticResource HotkeyFontIconStyle}" />
                     </Border>
                 </StackPanel>
             </Button>
@@ -179,19 +190,10 @@
                         Text="{x:Bind ViewModel.SecondaryCommand.Name, Mode=OneWay}" />
                     <StackPanel Orientation="Horizontal" Spacing="4">
                         <Border Padding="4,2,4,2" Style="{StaticResource HotkeyStyle}">
-                            <TextBlock
-                                CharacterSpacing="4"
-                                FontSize="10"
-                                Foreground="{ThemeResource TextFillColorPrimaryBrush}"
-                                Text="Ctrl" />
+                            <TextBlock Style="{StaticResource HotkeyTextBlockStyle}" Text="Ctrl" />
                         </Border>
                         <Border Style="{StaticResource HotkeyStyle}">
-                            <FontIcon
-                                HorizontalAlignment="Left"
-                                VerticalAlignment="Center"
-                                FontSize="10"
-                                Foreground="{ThemeResource TextFillColorPrimaryBrush}"
-                                Glyph="&#xE751;" />
+                            <FontIcon Glyph="&#xE751;" Style="{StaticResource HotkeyFontIconStyle}" />
                         </Border>
                     </StackPanel>
                 </StackPanel>
@@ -199,7 +201,7 @@
             <Button
                 x:Name="MoreCommandsButton"
                 x:Uid="MoreCommandsButton"
-                Padding="4"
+                Padding="6,4,4,4"
                 Click="MoreCommandsButton_Clicked"
                 Style="{StaticResource SubtleButtonStyle}"
                 ToolTipService.ToolTip="Ctrl+K"
@@ -209,32 +211,12 @@
                         VerticalAlignment="Center"
                         Style="{StaticResource CaptionTextBlockStyle}"
                         Text="More" />
-                    <StackPanel Orientation="Horizontal" Spacing="2">
-                        <Border
-                            Padding="4,2,4,2"
-                            VerticalAlignment="Center"
-                            Background="{ThemeResource SubtleFillColorSecondaryBrush}"
-                            BorderBrush="{ThemeResource DividerStrokeColorDefaultBrush}"
-                            BorderThickness="1"
-                            CornerRadius="4">
-                            <TextBlock
-                                CharacterSpacing="4"
-                                FontSize="10"
-                                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-                                Text="Ctrl" />
+                    <StackPanel Orientation="Horizontal" Spacing="4">
+                        <Border Padding="4,2,4,2" Style="{StaticResource HotkeyStyle}">
+                            <TextBlock Style="{StaticResource HotkeyTextBlockStyle}" Text="Ctrl" />
                         </Border>
-                        <Border
-                            Padding="4,2,4,2"
-                            VerticalAlignment="Center"
-                            Background="{ThemeResource SubtleFillColorSecondaryBrush}"
-                            BorderBrush="{ThemeResource DividerStrokeColorDefaultBrush}"
-                            BorderThickness="1"
-                            CornerRadius="4">
-                            <TextBlock
-                                VerticalAlignment="Center"
-                                FontSize="10"
-                                Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-                                Text="K" />
+                        <Border Padding="4,2,4,2" Style="{StaticResource HotkeyStyle}">
+                            <TextBlock Style="{StaticResource HotkeyTextBlockStyle}" Text="K" />
                         </Border>
                     </StackPanel>
                 </StackPanel>