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/Controls/SaveManager.axaml

@@ -9,7 +9,8 @@
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              Height="400"
              Width="550"
-             x:Class="Ryujinx.Ava.Ui.Controls.SaveManager">
+             x:Class="Ryujinx.Ava.Ui.Controls.SaveManager"
+             Focusable="True">
     <UserControl.Resources>
         <controls:BitmapArrayValueConverter x:Key="ByteImage" />
     </UserControl.Resources>