Fix non-compiling assemblies.

src/iOS/Avalonia.iOS/Stubs.cs

@@ -5,9 +5,15 @@ using Avalonia.Platform;
 
 namespace Avalonia.iOS
 {
-    class CursorFactoryStub : IStandardCursorFactory
+    class CursorFactoryStub : ICursorFactory
     {
-        public IPlatformHandle GetCursor(StandardCursorType cursorType) => new PlatformHandle(IntPtr.Zero, "NULL");
+        public ICursorImpl CreateCursor(IBitmapImpl cursor, PixelPoint hotSpot) => new CursorImplStub();
+        ICursorImpl ICursorFactory.GetCursor(StandardCursorType cursorType) => new CursorImplStub();
+
+        private class CursorImplStub : ICursorImpl
+        {
+            public void Dispose() { }
+        }
     }
 
     class WindowingPlatformStub : IWindowingPlatform
@@ -57,4 +63,4 @@ namespace Avalonia.iOS
             _ms.CopyTo(outputStream);
         }
     }
-}
+}

tests/Avalonia.Benchmarks/NullCursorFactory.cs

@@ -4,11 +4,14 @@ using Avalonia.Platform;
 
 namespace Avalonia.Benchmarks
 {
-    internal class NullCursorFactory : IStandardCursorFactory
+    internal class NullCursorFactory : ICursorFactory
     {
-        public IPlatformHandle GetCursor(StandardCursorType cursorType)
+        public ICursorImpl CreateCursor(IBitmapImpl cursor, PixelPoint hotSpot) => new NullCursorImpl();
+        ICursorImpl ICursorFactory.GetCursor(StandardCursorType cursorType) => new NullCursorImpl();
+
+        private class NullCursorImpl : ICursorImpl
         {
-            return new PlatformHandle(IntPtr.Zero, "null");
+            public void Dispose() { }
         }
     }
 }