[Port] [6000.0] Fixed UUM-108024. Removed receivesHierarchyGeometryChangedEvents for SG.

Author: Evergreen

Packages/com.unity.shadergraph/Editor/Drawing/Blackboard/SGBlackboard.cs

@@ -189,6 +189,7 @@ public SGBlackboard(BlackboardViewModel viewModel, BlackboardController controll
             isWindowScrollable = true;
             isWindowResizable = true;
             focusable = true;
+            scrollView.contentContainer.receivesHierarchyGeometryChangedEvents = false;
 
             m_DragIndicator = new VisualElement();
             m_DragIndicator.name = "categoryDragIndicator";