Bug 130262 [Regression]Click Data Explorer does not cancel palette insert mode
Description: Click Data Explorer does not cancel palette insert mode. Steps to reproduce: 1. Click grid in Palette, then click Data Explorer Result: Move mouse to Layout, it still keep the status of insert grid mode. By the way, after step1, if I clicked a col in dataset and drag it to Layout, the column was inserted as expected but the mouse cursor still kept the insert grid mode.
UI/org.eclipse.birt.report.designer.ui.editors/src/org/eclipse/birt/report/designer/ui/editors/MultiPageReportEditor.java
nestableService.activateKeyBindingService( null );
				}
			}
			else
			{
			}
		}
	}
	private void updateRelatedViews( )
	{
		updatePaletteView( getActivePageInstance( ) );
		updateOutLineView( getActivePageInstance( ) );
		updateDateView( getActivePageInstance( ) );
	}
	private boolean prePageChanges( Object oldPage, Object newPage )
	{
		boolean isNewPageValid = true;
		if ( oldPage instanceof IReportEditorPage
				&& newPage instanceof IReportEditorPage )
		{
			isNewPageValid = ( (IReportEditorPage) newPage ).onBroughtToTop( (IReportEditorPage) oldPage );
			model = SessionHandleAdapter.getInstance( ).getReportDesignHandle( );
		}
		return isNewPageValid;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.forms.editor.FormEditor#editorDirtyStateChanged()
	 */