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/ReportElementEditPart.java
{
			IFigure figure = (IFigure) temp.get( i );
			layer.remove( figure );
		}
	}
	/**
	 * Removes the guide handle.
	 */
	protected void removeGuideFeedBack( )
	{
		if ( guideHandle != null
				&& guideHandle.getParent( ) == getHandleLayer( ) )
		{
			getHandleLayer( ).remove( guideHandle );
		}
		guideHandle = null;
	}
	/**
	 * Removes the guide handle after the specified number of milliseconds.
	 */
	public void delayRemoveGuideFeedBack( )
	{
		if ( guideHandle != null )
		{
			guideHandle.setCanDeleteGuide( true );
		}
		Display.getCurrent( ).timerExec( DELAY_TIME, new Runnable( ) {
			public void run( )
			{
				if ( guideHandle != null && guideHandle.isCanDeleteGuide( ) )