Settings: Add a solution filter for PowerToys Settings UI and related projects (#46036)

## Summary of the Pull Request

This PR adds a solution filter for projects related to PowerToys
Settings

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## PR Checklist

- [ ] Closes: #xxx
<!-- - [ ] 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

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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

src/settings-ui/PowerToys.Settings.slnf

@@ -0,0 +1,29 @@
+{
+  "solution": {
+    "path": "..\\..\\PowerToys.slnx",
+    "projects": [
+      "src\\common\\Common.Search\\Common.Search.csproj",
+      "src\\common\\Common.UI.Controls\\Common.UI.Controls.csproj",
+      "src\\common\\Common.UI\\Common.UI.csproj",
+      "src\\common\\GPOWrapper\\GPOWrapper.vcxproj",
+      "src\\common\\LanguageModelProvider\\LanguageModelProvider.csproj",
+      "src\\common\\ManagedCommon\\ManagedCommon.csproj",
+      "src\\common\\ManagedCsWin32\\ManagedCsWin32.csproj",
+      "src\\common\\ManagedTelemetry\\Telemetry\\ManagedTelemetry.csproj",
+      "src\\common\\SettingsAPI\\SettingsAPI.vcxproj",
+      "src\\common\\interop\\PowerToys.Interop.vcxproj",
+      "src\\common\\logger\\logger.vcxproj",
+      "src\\common\\version\\version.vcxproj",
+      "src\\logging\\logging.vcxproj",
+      "src\\modules\\MouseUtils\\MouseJump.Common\\MouseJump.Common.csproj",
+      "src\\modules\\ZoomIt\\ZoomItSettingsInterop\\ZoomItSettingsInterop.vcxproj",
+      "src\\modules\\powerdisplay\\PowerDisplay.Lib\\PowerDisplay.Lib.csproj",
+      "src\\settings-ui\\QuickAccess.UI\\PowerToys.QuickAccess.csproj",
+      "src\\settings-ui\\Settings.UI.Controls\\Settings.UI.Controls.csproj",
+      "src\\settings-ui\\Settings.UI.Library\\Settings.UI.Library.csproj",
+      "src\\settings-ui\\Settings.UI.UnitTests\\Settings.UI.UnitTests.csproj",
+      "src\\settings-ui\\Settings.UI.XamlIndexBuilder\\Settings.UI.XamlIndexBuilder.csproj",
+      "src\\settings-ui\\Settings.UI\\PowerToys.Settings.csproj"
+    ]
+  }
+}