[Settings] UX fixes (#45513)

## Summary of the Pull Request

This PR includes:
- UI improvements to the Mouse Without Borders settings page.
- UI improvements to the AOT settings page.
- Multiple small fixes (e.g. to enable proper disabled states)
- Using GH Copilot CLI to loc strings that were hardcoded.
- Using GH Copilot CLI to remove dead loc strings from `Resources.resw`
(@jay-o-way will appreciated this 😁):

<img width="606" height="245" alt="image"
src="https://github.com/user-attachments/assets/aeab1201-1129-4ac9-a714-ac5ea7a227cc"
/>


## PR Checklist

- [x] Closes: #41688
- [x] Closes: #32869
- [x] Closes: #36200

<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
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
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

<!-- Provide a more detailed description of the PR, other things fixed,
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

---------

Co-authored-by: Jiří Polášek <me@jiripolasek.com>

src/settings-ui/Settings.UI/SettingsXAML/App.xaml

@@ -76,6 +76,17 @@
 
             <Style BasedOn="{StaticResource DefaultCheckBoxStyle}" TargetType="controls:CheckBoxWithDescriptionControl" />
 
+            <tkcontrols:MarkdownThemes
+                x:Key="DescriptionTextMarkdownThemeConfig"
+                InlineCodeBackground="{StaticResource ControlFillColorDefaultBrush}"
+                InlineCodeBorderBrush="{StaticResource ControlElevationBorderBrush}"
+                InlineCodeCornerRadius="2"
+                InlineCodeFontSize="12"
+                InlineCodeForeground="{StaticResource TextFillColorSecondaryBrush}"
+                InlineCodePadding="2,0,2,1" />
+
+            <tkcontrols:MarkdownConfig x:Key="DescriptionTextMarkdownConfig" Themes="{StaticResource DescriptionTextMarkdownThemeConfig}" />
+
             <TransitionCollection x:Key="SettingsCardsAnimations">
                 <EntranceThemeTransition FromVerticalOffset="50" />
                 <!--  Animates cards when loaded  -->