Ava GUI: Several UI Fixes (#3991)

* Fix accessability violations in ListView

* Use accent colour for favourite star

* Hide progress bar when its done

* App Data Formating

- Added space before storage unit
- Changed so minutes have 0 decimals, and hours and days have 1

* Fix theming

* Fix mismatched corner radius

* Fix acceability violations in GridView

* More consistency between Grid and List View

* Fix margin

* Let whitespace defocus controls

Ryujinx.Ava/Ui/Windows/MainWindow.axaml

@@ -20,7 +20,8 @@
     x:CompileBindings="True"
     x:DataType="viewModels:MainWindowViewModel"
     WindowStartupLocation="CenterScreen"
-    mc:Ignorable="d">
+    mc:Ignorable="d"
+    Focusable="True">
     <Window.Styles>
         <Style Selector="TitleBar:fullscreen">
             <Setter Property="Background" Value="#000000" />