Slightly improve the performance of the /scanstate endpoint with large music collections
Slightly improve the performance of the /scanstate endpoint with large music collections

- In the test environment with 58625 tracks, using the custom array_diff function reduced the execution time from ~33s to ~27s

Faldon/music,owncloud/music,paulijar/music,Faldon/music,owncloud/music,Faldon/music,paulijar/music,Faldon/music,paulijar/music,owncloud/music,paulijar/music,owncloud/music,paulijar/music,Faldon/music,owncloud/music