fix linting and make code nicer

src/backend/metadata/getmeta.ts

@@ -54,14 +54,19 @@ export async function getMetaFromId(
     throw err;
   }
 
-  const imdbId = data.external_ids.find(
+  let imdbId = data.external_ids.find(
     (v) => v.provider === "imdb_latest"
-  )?.external_id ?? data.external_ids.find(
+  )?.external_id
+  if (!imdbId)
+    imdbId = data.external_ids.find(
       (v) => v.provider === "imdb"
     )?.external_id;
-  const tmdbId = data.external_ids.find(
+
+  let tmdbId = data.external_ids.find(
     (v) => v.provider === "tmdb_latest"
-  )?.external_id ?? data.external_ids.find(
+  )?.external_id
+  if (!tmdbId)
+  tmdbId = data.external_ids.find(
       (v) => v.provider === "tmdb"
     )?.external_id;