Fixed a case where moving a file may be broken (when skipping duplicate MBID is active) + only check for duplicate track MBID (instead of recording MBID) as we have have several different releases sharing the same recording MBID)

src/libs/services/database/impl/Track.cpp

@@ -209,6 +209,18 @@ Track::exists(Session& session, TrackId id)
 	return session.getDboSession().query<int>("SELECT 1 from track").where("id = ?").bind(id).resultValue() == 1;
 }
 
+std::vector<Track::pointer>
+Track::findByMBID(Session& session, const UUID& mbid)
+{
+	session.checkSharedLocked();
+
+	auto res {session.getDboSession().find<Track>()
+		.where("mbid = ?").bind(std::string {mbid.getAsString()})
+		.resultList()};
+
+	return std::vector<Track::pointer>(res.begin(), res.end());
+}
+
 std::vector<Track::pointer>
 Track::findByRecordingMBID(Session& session, const UUID& mbid)
 {