Bug 131484 Can't not add item by click the item from palette
Details: Can't not add item Setp: 1.New a report design and open the palette. 2.Click the lable icon. 3.Move the mouse to layout and click again to add the label. Actual result: Nothing is added in layout.
UI/org.eclipse.birt.report.designer.ui.ide/src/org/eclipse/birt/report/designer/ui/editors/ReportEditorProxy.java
IPartListener,
		IPropertyListener,
		IReportEditor
{
	MultiPageReportEditor instance;
	private String title = "";
	public IEditorInput getEditorInput( )
	{
		return instance.getEditorInput( );
	}
	public IEditorSite getEditorSite( )
	{
		return instance.getEditorSite( );
	}
	public void init( IEditorSite site, IEditorInput input )
			throws PartInitException