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/ViewModels/FancyZonesViewModel.cs

@@ -12,4 +12,4 @@ namespace Microsoft.PowerToys.Settings.UI.ViewModels
         {
         }
     }
-}
+}