Bug 151960 Library element popup menu display is wrong.
1:Creat a libray, add a table to this libray. 2:public this library. 3:Creat a report design. 4:Open the library explore, drag the table to the layout editor. 5:Select the table row, copy the selection row. 6:Select other row, clik the right button of the mouse to popup the menu . The result:Paste action and insert copied column action is highlight.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ColumnBandInsertPasteAction.java
* @return a list containing post-parsing errors. Each element in the list
	 *         is <code>ErrorDetail</code>.
	 * @throws SemanticException
	 *             if layouts of slots are different.
	 */
	protected List insertAndPasteColumnBand( int columnIndex,
			ColumnBandData data ) throws SemanticException
	{
		boolean canDone = canInsertAndPaste( columnIndex, data );
		if ( !canDone )
			throw new SemanticError( adapter.getElementHandle( ).getElement( ),
					new String[]{adapter.getElementHandle( ).getName( )},
					SemanticError.DESIGN_EXCEPTION_COLUMN_PASTE_FORBIDDEN );
		TableColumn column = data.getColumn( );
		List cells = data.getCells( );
		List originalCells = getCellsContextInfo( adapter
				.getCellsUnderColumn( columnIndex ) );
		try
		{
			if ( adapter instanceof TableColumnBandAdapter )
				adapter.getModule( ).getActivityStack( ).startSilentTrans( );
			else
				adapter.getModule( ).getActivityStack( ).startTrans( );
			pasteColumn( column, columnIndex, true );
			pasteCells( cells, originalCells, columnIndex, true );
		}
		catch ( SemanticException e )
		{
			adapter.getModule( ).getActivityStack( ).rollback( );
			throw e;