Fix Mac Catalyst button support (respect interface idiom)

Author: stackotter

Sources/UIKitBackend/UIKitBackend+Control.swift

@@ -23,7 +23,7 @@ final class ButtonWidget: WrapperWidget<UIButton> {
             type = .system
             event = .primaryActionTriggered
         #else
-            type = .custom
+            type = .system
             event = .touchUpInside
         #endif
         super.init(child: UIButton(type: type))
@@ -268,7 +268,8 @@ extension UIKitBackend {
                 UIKitBackend.attributedString(
                     text: label,
                     environment: environment,
-                    defaultForegroundColor: .link
+                    // Handle Mac Catalyst
+                    defaultForegroundColor: deviceClass == .desktop ? .label : .link
                 ),
                 for: .normal
             )

Sources/UIKitBackend/UIKitBackend.swift

@@ -48,6 +48,10 @@ public final class UIKitBackend: AppBackend {
 
     public init() {
         self.appDelegateClass = ApplicationDelegate.self
+        print(UIDevice.current.userInterfaceIdiom == .pad)
+        if #available(macCatalyst 14.0, *) {
+            print(UIDevice.current.userInterfaceIdiom == .mac)
+        }
     }
 
     public init(appDelegateClass: ApplicationDelegate.Type) {