If there are 17 tracks, that implies one of the tracks you added isn't on the album, but the Batman track is - and is track 4. Tell me which one isn't on the album with the proper track order if anything's different & I'll sort it all out.
More importantly, in this new page configuration, tracks are altered with the 'pencil' icon on the track's left and the info confirmed by clicking the green check mark that appears when you've finished altering the track.
I strongly suggest giving it a shot. It's more laborious, I know, but I'm old & ill and I can manage it, so sensibly, damn near anyone could manage it easier than I can.