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/Applet/ErrorAppletWindow.axaml

@@ -11,7 +11,8 @@
     Height="340"
     CanResize="False"
     SizeToContent="Height"
-    mc:Ignorable="d">
+    mc:Ignorable="d"
+    Focusable="True">
     <Grid
         Margin="20"
         HorizontalAlignment="Stretch"

Ryujinx.Ava/Ui/Applet/SwkbdAppletDialog.axaml

@@ -6,7 +6,8 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:window="clr-namespace:Ryujinx.Ava.Ui.Windows"
     Width="400"
-    mc:Ignorable="d">
+    mc:Ignorable="d"
+    Focusable="True">
     <Grid
         Margin="20"
         HorizontalAlignment="Stretch"