Fix Tidal album artist duplication

The existing code returned all matching entries from included items, but
Tidal API sometimes returns duplicates. Also the included items not
necessarily reflect the same order as the relationships.

Author: phw

providers/Tidal/__snapshots__/mod.test.ts.snap

@@ -442,26 +442,26 @@ snapshot[`Tidal provider > release lookup > single by two artists (v2 API) 1`] =
 {
   artists: [
     {
-      creditedName: "Bruno Mars",
+      creditedName: "Lady Gaga",
       externalIds: [
         {
-          id: "3658521",
+          id: "3534754",
           provider: "tidal",
           type: "artist",
         },
       ],
-      name: "Bruno Mars",
+      name: "Lady Gaga",
     },
     {
-      creditedName: "Lady Gaga",
+      creditedName: "Bruno Mars",
       externalIds: [
         {
-          id: "3534754",
+          id: "3658521",
           provider: "tidal",
           type: "artist",
         },
       ],
-      name: "Lady Gaga",
+      name: "Bruno Mars",
     },
   ],
   copyright: "© 2024 Interscope Records",

providers/Tidal/v2/lookup.ts

@@ -349,10 +349,20 @@ export class TidalV2ReleaseLookup extends ReleaseApiLookup<TidalProvider, Single
 		resourceType: 'artists' | 'artworks' | 'providers',
 	): T[] {
 		const targetRels = rawRelease.data.relationships[relationship];
-		const relatedIds = new Set(targetRels?.data?.map((item) => item.id));
+		if (!targetRels) {
+			return [];
+		}
+		const relatedIds = new Set(targetRels.data?.map((item) => item.id));
 
-		return rawRelease.included
-			.filter((resource) => resource.type === resourceType && relatedIds.has(resource.id)) as T[];
+		const items = new Map<string, T>();
+		rawRelease.included.forEach((resource) => {
+			if (resource.type === resourceType && relatedIds.has(resource.id)) {
+				items.set(resource.id, resource as T);
+			}
+		});
+		// Rely on the target relationship to get the correct number and order of related
+		// items. Consider the case that an item was not actually returned in the includes.
+		return targetRels.data.map((rel) => items.get(rel.id) || { id: rel.id } as T);
 	}
 
 	private constructReleaseUrlFromRelease(release: ReleaseResource): URL {