Bug 122283 [Smoke][Regression][SPM-Linux WS]Item in library can't be used when include library from library explorer
Details: Item in library can't be used when include library from library explorer Step: 1.New a library and Insert a label. 2.Open a report design 3.Open the library exploer in report and use the library 4.Drop the library label from library explorer into layout Actual results: Expection pop up. If use the library from report outline, label can drop in layout succeed.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
{
	private static final String MSG_DIALOG_TITLE = Messages.getString( "ImportLibraryAction.Title.ImportSuccessfully" ); 
	private static final String MSG_DIALOG_MSG = Messages.getString( "ImportLibraryAction.Message.ImportSuccessfully" ); 
	/**
	 * Returns if current active editor is reportEditor.
	 * 
	 * @return true if current active editor is reportEditor, or false else.
	 */
	public static boolean isReportEditorActivated( )
	{