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
String fontWeight = styleHandle.getFontWeight( );
		String style = styleHandle.getFontStyle( );
		
		
		if ( fontWeight.equals( DesignChoiceConstants.FONT_WEIGHT_BOLD )
				|| fontWeight.equals( DesignChoiceConstants.FONT_WEIGHT_BOLDER )
				|| fontWeight.equals( DesignChoiceConstants.FONT_WEIGHT_700 )
				|| fontWeight.equals( DesignChoiceConstants.FONT_WEIGHT_800 )
				|| fontWeight.equals( DesignChoiceConstants.FONT_WEIGHT_900 ) )
		{
			fontStyle = fontStyle | SWT.BOLD;
		}
		if ( style.equals( DesignChoiceConstants.FONT_STYLE_ITALIC )
				|| style.equals( DesignChoiceConstants.FONT_STYLE_OBLIQUE ) )
		{
			fontStyle = fontStyle | SWT.ITALIC;
		}
		Font font = FontManager.getFont( FontFamily, fontSize, fontStyle );
		return font;
	}
	
	protected Font getFont()
	{
		return getFont((ReportItemHandle) getModel());
	}
	/**
	 * @return display label
	 */
	public String getDisplayLabel( )
	{