Bug 142432 MasterPage from library can't be restored to modify
Details: MasterPage from library can't be restored to modify Step: 1.New a library named lib1, and insert a masterpage named lib-mp. 2.Publish the library into resource folder. 3.New a report design and use lib1. 4.Drop the lib-mp from library explorer into outline of report design. 5.Double click lib-mp, and switch to Property editro tab. 6.Click restore. Actual result: Pop up an error message and said that the master page cannot specify size the page type is not custom.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
String name = refValue.getName( );
					name = ReferenceValueUtil.needTheNamespacePrefix(
							(ReferenceValue) value, getModule( ) );
					targetHandle.setProperty( propDefn.getName( ), name );
				}
				break;
			case PropertyType.STRUCT_REF_TYPE :
				StructRefValue structRefValue = (StructRefValue) value;
				if ( structRefValue.isResolved( ) )
					targetHandle.setProperty( propDefn.getName( ),
							structRefValue.getStructure( ) );
				else
					targetHandle.setProperty( propDefn.getName( ),
							structRefValue.getName( ) );
				break;
			case PropertyType.STRUCT_TYPE :
				if ( propDefn.isList( ) )
				{
					PropertyHandle propHandle = targetHandle
							.getPropertyHandle( propName );
					Iterator strcutIter = ( (List) value ).iterator( );
					while ( strcutIter.hasNext( ) )
					{
						Structure struct = (Structure) strcutIter.next( );
						propHandle.addItem( struct.copy( ) );
					}
				}
				else
				{
					IStructure struct = (IStructure) value;