Tweaks for MacCatalyst

Remove focus effect from Input and AutoComplete when running on MacCatalyst. Set UIButton.Configuration in DropdownHandler to make the OS render it with the drop down arrows.

.gitignore

@@ -399,4 +399,8 @@ FodyWeavers.xsd
 
 # DocFx
 _site/
-api/
+api/
+
+# Mac resource files
+.DS_Store
+**/.DS_Store

src/UraniumUI.Material/Controls/InputField.cs

@@ -197,6 +197,12 @@ protected override void OnHandlerChanged()
 #if ANDROID
         Loaded += OnLoaded;
 #endif
+#if MACCATALYST
+        if (OperatingSystem.IsIOSVersionAtLeast(15) && Content.Handler.PlatformView is UIKit.UITextField textview)
+        {
+            textview.FocusEffect = null;
+        }
+#endif
 
         Content.Focused += OnFocusChanged;
         Content.Unfocused += OnFocusChanged;

src/UraniumUI/Handlers/AutoCompleteViewHandler.Apple.cs

@@ -27,7 +27,10 @@ protected override UIAutoCompleteTextField CreatePlatformView()
         view.Text = VirtualView.Text;
         view.TextColor = VirtualView.TextColor.ToPlatform();
         view.ReturnKeyType = UIReturnKeyType.Done;
-
+        if (OperatingSystem.IsIOSVersionAtLeast(15))
+        {
+            view.FocusEffect = null;
+        }
 
 
         view.AutoCompleteViewSource.Selected += AutoCompleteViewSourceOnSelected;

src/UraniumUI/Handlers/DropdownHandler.Apple.cs

@@ -24,6 +24,8 @@ protected override UIKit.UIButton CreatePlatformView()
         if (UIDevice.CurrentDevice.CheckSystemVersion(15, 0))
         {
             button.ChangesSelectionAsPrimaryAction = true;
+            var configuration = UIButtonConfiguration.PlainButtonConfiguration;
+            button.Configuration = configuration;
         }