anchor.diff:  class LibraryItemsPageContent extends StatefulWidget {
     final Library library;
     final int ratingKey;
  +  final String sectionType;
     final String title;
   
     const LibraryItemsPageContent({
       this.library,
       this.ratingKey,
  +    this.sectionType,
       this.title,
       Key key,
     }) : super(key: key);
  
positive.code:           if (state is LibraryMediaSuccess) {
              if (state.libraryMediaList.length > 0) {
                return Scrollbar(
                  child: ListView.builder(
                    itemCount: state.libraryMediaList.length,
                    controller: _scrollController,
                    itemBuilder: (context, index) {
                      final heroTag = UniqueKey();
  
                      return GestureDetector(
                        onTap: () {
                          if (state.libraryMediaList[index].mediaType ==
                              'photo_album') {
                            Navigator.of(context).push(
                              MaterialPageRoute(
                                builder: (context) => LibraryItemsPage(
                                  title: state.libraryMediaList[index].title,
                                  ratingKey:
                                      state.libraryMediaList[index].ratingKey,
                                ),
                              ),
                            );
                          } else if (state.libraryMediaList[index].mediaType !=
                              'photo') {
                            final libraryItem = state.libraryMediaList[index];
  
                            MediaItem mediaItem = MediaItem(
                              parentMediaIndex: libraryItem.parentMediaIndex,
                              mediaIndex: libraryItem.mediaIndex,
                              mediaType: libraryItem.mediaType,
                              posterUrl: libraryItem.posterUrl,
  
negative.code:         library: library,
          ratingKey: ratingKey,
          title: title,
          sectionType: sectionType,
        ),
      );
    }
  