fix skeleton blend mask node to resize when asset reference is (dis-) connected

Source/Editor/Surface/Archetypes/Animation.cs

@@ -70,6 +70,9 @@ namespace FlaxEditor.Surface.Archetypes
                 if (box.ID != _assetBox.ID)
                     return;
                 _assetSelect.Visible = !box.HasAnyConnection;
+
+                if (!Archetype.UseFixedSize)
+                    ResizeAuto();
             }
         }
 

Source/Editor/Surface/SurfaceNode.cs

@@ -1058,7 +1058,7 @@ namespace FlaxEditor.Surface
         }
 
         /// <summary>
-        /// Sets teh node values from the given pasted source. Can be overriden to perform validation or custom values processing.
+        /// Sets teh node values from the given pasted source. Can be overridden to perform validation or custom values processing.
         /// </summary>
         /// <param name="values">The input values array.</param>
         public virtual void SetValuesPaste(object[] values)