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/ColumnBandPasteAction.java
{
			return false;
		}
		if ( !inForce && !isSameLayout )
			return false;
		return true;
	}
	/**
	 * Pastes a column to the given <code>target</code>.
	 * 
	 * @param columnIndex
	 *            the column number
	 * @param inForce
	 *            <code>true</code> if paste regardless of the difference of
	 *            cell layouts, otherwise <code>false</code>.
	 * @param data
	 *            the copied column band data
	 * @return a list containing post-parsing errors. Each element in the list
	 *         is <code>ErrorDetail</code>.
	 * @throws SemanticException
	 *             if layouts of slots are different. Or, <code>inForce</code>
	 *             is <code>false</code> and the layout of cells are
	 *             different.
	 */
	protected List pasteColumnBand( int columnIndex, boolean inForce,
			ColumnBandData data ) throws SemanticException
	{
		boolean canDone = canPaste( columnIndex, inForce, data );
		if ( inForce && !canDone )
			throw new SemanticError( adapter.getElementHandle( ).getElement( ),