Soundtrack Menu: fixed stage api option not appearing in mod menu

Soundtrack menu:
-fixed cleared boss room music sometimes not playing after angel or devil room spawn jingle
-fixed dogma nightmare music sometimes continuing to play after ending the dogma nightmare early

Soundtrack Menu: -fixed bug where music could sometimes start playing during game intro, then a second later could shuffle/randomize and start playing a different track
-fixed hush outro stopping music playback and resplaying on leaving and reentering the room
-fixed mod sometimes sending bogus info to the jukebox mod causing incorrect text to display

soundtrack menu: minor tweaks and bugfixes

soundtrack menu - fixed stageAPI mineshafts not having music

Soundtrack Menu:
-added code for handling music while in a custom stageAPI floor
-added the ability to set separate menu music for the tainted/twisted version of the menu

Soundtrack menu: fixed randomise main menu option not respecting the exclusion list

soundtrack menu: fixed boss theme not stopping when boss is killed in custom stage api floors

fixed bug in soundtrack menu where main menu music set to a specific soundtrack late in load order could fail to load and play

- added options to soundtrack menu for main menu and nightmare tracks using repentogon callbacks
- fixed some music tracks ignoring users volume setting