Settings: Fix settings arrow render (#46454)

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fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request
Existing: 
<img width="1201" height="150" alt="image"
src="https://github.com/user-attachments/assets/5e764875-bed8-45b5-97a8-60e5f475c296"
/>

A box icon for whatever up, down, left, right, they are not treated as
Glyph icon rendered, instead as normal text

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## PR Checklist

- [ ] Closes: #xxx
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issues) -->
- [ ] **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
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for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
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pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
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- [ ] **Documentation updated:** If checked, please file a pull request
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repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

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wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

<img width="1273" height="714" alt="image"
src="https://github.com/user-attachments/assets/4d2ffa92-e0ca-44f4-8eda-9c4a7e05bbde"
/>

src/settings-ui/Settings.UI/SettingsXAML/Controls/ShortcutControl/ShortcutControl.xaml

@@ -46,6 +46,7 @@
                                 Content="{Binding}"
                                 CornerRadius="{StaticResource ControlCornerRadius}"
                                 IsTabStop="False"
+                                RenderKeyAsGlyph="True"
                                 State="{Binding ElementName=LayoutRoot, Path=KeyVisualShouldShowConflict, Mode=OneWay, Converter={StaticResource BoolToKeyVisualStateConverter}, ConverterParameter=Warning}"
                                 Style="{StaticResource AccentKeyVisualStyle}" />
                         </DataTemplate>
@@ -96,4 +97,4 @@
             </VisualStateGroup>
         </VisualStateManager.VisualStateGroups>
     </Grid>
-</UserControl>
+</UserControl>

src/settings-ui/Settings.UI/SettingsXAML/Controls/ShortcutControl/ShortcutDialogContentControl.xaml

@@ -236,6 +236,7 @@
                             FontSize="16"
                             FontWeight="SemiBold"
                             IsTabStop="False"
+                            RenderKeyAsGlyph="True"
                             State="{Binding ElementName=ShortcutContentControl, Path=IsError, Mode=OneWay, Converter={StaticResource BoolToKeyVisualStateConverter}, ConverterParameter=Error}"
                             Style="{StaticResource AccentKeyVisualStyle}" />
                     </DataTemplate>
@@ -332,4 +333,4 @@
             </InfoBar>
         </Grid>
     </Grid>
-</UserControl>
+</UserControl>