Setup: Hide apps in PowerToys.SpareApps package from Start Menu (#43650)

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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

This PR updates the Appx manifest for PowerToys.SpareApps to hide the
apps from the Start Menu, as they lack proper visual elements like icons
and text.

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## PR Checklist

- [x] Closes: #43647
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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
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

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

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## Validation Steps Performed

src/PackageIdentity/AppxManifest.xml

@@ -42,7 +42,8 @@
         Description="PowerToys OCR Module"
         BackgroundColor="transparent"
         Square150x150Logo="Images\Square150x150Logo.png"
-        Square44x44Logo="Images\Square44x44Logo.png">
+        Square44x44Logo="Images\Square44x44Logo.png"
+        AppListEntry="none">
       </uap:VisualElements>
     </Application>
     <Application Id="PowerToys.SettingsUI" Executable="WinUI3Apps\PowerToys.Settings.exe" EntryPoint="Windows.FullTrustApplication">
@@ -51,7 +52,8 @@
         Description="PowerToys Settings UI"
         BackgroundColor="transparent"
         Square150x150Logo="Images\Square150x150Logo.png"
-        Square44x44Logo="Images\Square44x44Logo.png">
+        Square44x44Logo="Images\Square44x44Logo.png"
+        AppListEntry="none">
       </uap:VisualElements>
     </Application>
     <Application Id="PowerToys.ImageResizerUI" Executable="WinUI3Apps\PowerToys.ImageResizer.exe" EntryPoint="Windows.FullTrustApplication">
@@ -60,7 +62,8 @@
         Description="PowerToys Image Resizer UI"
         BackgroundColor="transparent"
         Square150x150Logo="Images\Square150x150Logo.png"
-        Square44x44Logo="Images\Square44x44Logo.png">
+        Square44x44Logo="Images\Square44x44Logo.png"
+        AppListEntry="none">
       </uap:VisualElements>
     </Application>
   </Applications>