Merge pull request #10584 from workgroupengineering/fixes/Warnings/CS0628

fix: Warning CS0628 new protected member declared in sealed type

src/Avalonia.Base/Media/DrawingGroup.cs

@@ -117,10 +117,10 @@ namespace Avalonia.Media
             // root DrawingGroup, and be the same value as the root _currentDrawingGroup.
             //
             // Either way, _rootDrawing always references the root drawing.
-            protected Drawing? _rootDrawing;
+            private Drawing? _rootDrawing;
 
             // Current DrawingGroup that new children are added to
-            protected DrawingGroup? _currentDrawingGroup;
+            private DrawingGroup? _currentDrawingGroup;
 
             // Previous values of _currentDrawingGroup
             private Stack<DrawingGroup?>? _previousDrawingGroupStack;

src/Avalonia.Base/Styling/TypeNameAndClassSelector.cs

@@ -52,7 +52,7 @@ namespace Avalonia.Styling
             return result;
         }
 
-        protected TypeNameAndClassSelector(Selector? previous)
+        TypeNameAndClassSelector(Selector? previous)
         {
             _previous = previous;
         }