Bug 113938 Report is marked dirty when open/close cascading parameter dialog without doing any operation on it
description: Report is marked dirty when open/close cascading parameter dialog without doing any operation on it steps to reproduce: 1.new a cascading parameter group 2.save the reprot 3.double click the cascading parameter to bring out edit box 4.click OK to close edit box actual result: Report has been marked dirty expected result: No dirty marked for that no operations done in edit parameter dialog
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ExpressionProvider.java
return IMAGE_STATIC_METHOD;
				}
				return IMAGE_METHOD;
			}
			if ( info instanceof IMemberInfo )
			{
				if ( ( (IMemberInfo) info ).isStatic( ) )
				{
					return IMAGE_STATIC_MEMBER;
				}
				return IMAGE_MEMBER;
			}
		}
		else if ( element instanceof DataSetItemModel )
		{
			return IMAGE_COLUMN;
		}
		else if ( element instanceof DesignElementHandle )
		{
			return ReportPlatformUIImages.getImage( element );
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.dialogs.IExpressionProvider#getInsertText(java.lang.Object)
	 */
	public String getInsertText( Object element )
	{