Bug 157744 [Regression]GUI has memory leak
Causes by 153732, designer has a regression to hold the report design handle in a hashmap. That causes the report design can not be released.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/TableEditPart.java
super.eraseTargetFeedback( request );
	}
	protected void addChildVisual( EditPart part, int index )
	{
		
		
		this.getViewer( ).setCursor( null );
		super.addChildVisual( part, index );
	}
	/**
	 * The class use for select row in table.
	 * 
	 */
	public static class DummyColumnEditPart extends DummyEditpart
	{
		/**
		 * @param model
		 */
		public DummyColumnEditPart( Object model )
		{
			super( model );
			createEditPolicies( );
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts.DummyEditpart#createEditPolicies()
		 */
		protected void createEditPolicies( )
		{