fix(web): escape Lucene quotes in searchReleaseGroup query

A `"` or `\` inside artist/album terminates the quoted Lucene phrase
and corrupts the MusicBrainz search query. Escape both terms before
interpolation.

web/src/lib/musicbrainz.ts

@@ -54,8 +54,12 @@ export async function browseReleaseGroups(artistMbid: string): Promise<ReleaseGr
   return out;
 }
 
+function escapeLucenePhrase(s: string): string {
+  return s.replace(/[\\"]/g, (c) => "\\" + c);
+}
+
 export async function searchReleaseGroup(artist: string, album: string): Promise<ReleaseGroupMatch | null> {
-  const query = `releasegroup:"${album}" AND artist:"${artist}"`;
+  const query = `releasegroup:"${escapeLucenePhrase(album)}" AND artist:"${escapeLucenePhrase(artist)}"`;
   const data = await mbGet(`/release-group?query=${encodeURIComponent(query)}&fmt=json&limit=5`);
   const groups: any[] = data["release-groups"] ?? [];
   if (groups.length === 0) return null;