fix: Adjust Selected Opacity

doc/material-colors.md

@@ -50,7 +50,7 @@ uid: Uno.Themes.Material.Colors
 | FocusedOpacity  | 0.12  |
 | PressedOpacity  | 0.12  |
 | DraggedOpacity  | 0.16  |
-| SelectedOpacity | 0.16  |
+| SelectedOpacity | 0.08  |
 | MediumOpacity   | 0.64  |
 | LowOpacity      | 0.32  |
 | DisabledOpacity | 0.12  |

src/library/Uno.Themes/Styles/Applications/Common/SharedColorPalette.xaml

@@ -128,7 +128,7 @@
 	<x:Double x:Key="FocusedOpacity">0.12</x:Double>
 	<x:Double x:Key="PressedOpacity">0.12</x:Double>
 	<x:Double x:Key="DraggedOpacity">0.16</x:Double>
-	<x:Double x:Key="SelectedOpacity">0.16</x:Double>
+	<x:Double x:Key="SelectedOpacity">0.08</x:Double>
 	<x:Double x:Key="MediumOpacity">0.64</x:Double>
 	<x:Double x:Key="LowOpacity">0.32</x:Double>
 	<x:Double x:Key="DisabledOpacity">0.12</x:Double>