remove artist song list fetch post-processing

- the post-processing sort breaks the correct order returned by the API

src/shared/api/utils.ts

@@ -306,7 +306,11 @@ export const sortSongsByFetchedOrder = (
     }
 
     // Sort each group by discNumber and trackNumber
+    // Skip sorting for ALBUM_ARTIST as songs are already sorted by the API
     for (const [fetchedId, groupSongs] of songsByFetchedId.entries()) {
+        if (itemType === LibraryItem.ALBUM_ARTIST) {
+            continue;
+        }
         const sortedGroup = orderBy(groupSongs, ['discNumber', 'trackNumber'], ['asc', 'asc']);
         songsByFetchedId.set(fetchedId, sortedGroup);
     }
@@ -324,6 +328,10 @@ export const sortSongsByFetchedOrder = (
     const matchedIds = new Set(result.map((s) => s.id));
     const unmatchedSongs = songs.filter((s) => !matchedIds.has(s.id));
     if (unmatchedSongs.length > 0) {
+        // Skip sorting for ALBUM_ARTIST as songs are already sorted by the API
+        if (itemType === LibraryItem.ALBUM_ARTIST) {
+            result.push(...unmatchedSongs);
+        } else {
             const sortedUnmatched = orderBy(
                 unmatchedSongs,
                 ['discNumber', 'trackNumber'],
@@ -331,6 +339,7 @@ export const sortSongsByFetchedOrder = (
             );
             result.push(...sortedUnmatched);
         }
+    }
 
     return result;
 };