Fix #58 and #59

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterGetResolver.java

@@ -49,6 +49,7 @@ public class MangaChapterGetResolver extends DefaultGetResolver<MangaChapter> {
     public MangaChapter mapFromCursor(@NonNull Cursor cursor) {
         final Manga manga = mangaGetResolver.mapFromCursor(cursor);
         final Chapter chapter = chapterGetResolver.mapFromCursor(cursor);
+        manga.id = chapter.manga_id;
 
         return new MangaChapter(manga, chapter);
     }