[Mobile] Revisit those issue on XF update or migrating to MAUI

[kcrg]

1. Jitter CollectionView on refreshing - Xamarin.Forms/issues/14426
2. Updating Glyph property in one FontImageSource dont work - Xamarin.Forms/issues/12700
3. RefreshView broken by Command with implemented CanExecute - Xamarin.Forms/issues/14350
4. Android CollectionView jitters - Xamarin.Forms/issues/8718
5. Broken Frame on iOS - Xamarin.Forms/issues/14426
6. Setting Shell colors don't work on iOS 15 - Xamarin.Forms/issues/14505