Bug 122850 Table/list should not be able to be inserted in Master Page mode.
Description: Table/list should not be able to be inserted in Master Page mode. Steps to reproduce: 1. New a report and transfer to Master Page mode. 2. New a datasource and dataset 3. Drag a list/table to page header/footer, bind it to dataset and drag some columns inside. 4. Save and preview Expected result: Insert list/table item in master page should be forbidden. Actual result: They are allowed and preview showed "undefine" in page
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
EmbeddedImage image = (EmbeddedImage) images.get( i );
			List clients = image.getClientStructures( );
			if ( clients == null || clients.isEmpty( ) )
				continue;
			for ( int j = 0; j < clients.size( ); j++ )
			{
				Structure client = (Structure) clients.get( j );
				StructRefValue value = (StructRefValue) client
						.getLocalProperty( this,
								ReferencableStructure.LIB_REFERENCE_MEMBER );
				assert value != null;
				value.unresolved( value.getName( ) );
				image.dropClientStructure( client );
				sendEvent = true;
			}
			clients = image.getClientList( );
			if ( clients == null || clients.isEmpty( ) )
				continue;
			for ( int j = 0; j < clients.size( ); j++ )
			{
				BackRef client = (BackRef) clients.get( j );
				DesignElement element = client.getElement( );
				StructRefValue value = (StructRefValue) element
						.getLocalProperty( this, client.getPropertyName( ) );
				assert value != null;
				value.unresolved( value.getName( ) );
				image.dropClient( element );
				element.broadcast( new PropertyEvent( this, client
						.getPropertyName( ) ) );
			}