Settingsv2 fix warnings (#2076)

* updating a ton of warnings.

* bunch of cleanup

* few smaller ones

* fixed naming

* reversing an oops

* adjusting json to use attribute

* more json properties

src/core/Microsoft.PowerToys.Settings.UI/Microsoft.PowerToys.Settings.UI.csproj

@@ -46,6 +46,9 @@
     <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
   </PropertyGroup>
   <ItemGroup>
+    <Compile Include="..\..\codeAnalysis\GlobalSuppressions.cs">
+      <Link>GlobalSuppressions.cs</Link>
+    </Compile>
     <Compile Include="Activation\ActivationHandler.cs" />
     <Compile Include="Activation\DefaultActivationHandler.cs" />
     <Compile Include="App.xaml.cs">
@@ -56,7 +59,6 @@
     <Compile Include="Controls\HotkeySettingsControl.xaml.cs">
       <DependentUpon>HotkeySettingsControl.xaml</DependentUpon>
     </Compile>
-    <Compile Include="GlobalSuppressions.cs" />
     <Compile Include="Helpers\NavHelper.cs" />
     <Compile Include="Helpers\Observable.cs" />
     <Compile Include="Helpers\RelayCommand.cs" />
@@ -68,6 +70,7 @@
     <Compile Include="ViewModels\FancyZonesViewModel.cs" />
     <Compile Include="ViewModels\ImageResizerViewModel.cs" />
     <Compile Include="ViewModels\KeyboardManagerViewModel.cs" />
+    <Compile Include="ViewModels\Keys.cs" />
     <Compile Include="ViewModels\PowerRenameViewModel.cs" />
     <Compile Include="ViewModels\PowerLauncherViewModel.cs" />
     <Compile Include="ViewModels\RemapKeysModel.cs" />