iOS handle ctor is now NativeHandle not IntPtr

src/Compatibility/Core/src/iOS/Renderers/NavigationRenderer.cs

@@ -1517,7 +1517,7 @@ namespace Microsoft.Maui.Controls.Compatibility.Platform.iOS
 			}
 
 			[Microsoft.Maui.Controls.Internals.Preserve(Conditional = true)]
-			protected internal FormsNavigationBar(IntPtr handle) : base(handle)
+			protected internal FormsNavigationBar(NativeHandle handle) : base(handle)
 			{
 			}
 

src/Core/src/Handlers/Application/ApplicationHandler.iOS.cs

@@ -48,7 +48,7 @@ namespace Microsoft.Maui.Handlers
 
 			readonly IntPtr _handle;
 
-			NSApplication(IntPtr handle)
+			NSApplication(NativeHandle handle)
 			{
 				_handle = handle;
 			}

src/Core/src/Platform/iOS/MauiSearchBar.cs

@@ -25,7 +25,7 @@ namespace Microsoft.Maui.Platform
 		{
 		}
 
-		protected internal MauiSearchBar(IntPtr handle) : base(handle)
+		protected internal MauiSearchBar(NativeHandle handle) : base(handle)
 		{
 		}