Patch 0.1.39

1) General Choreography flow improvements
2) Improved Main Menu and Simulator Deck environment.
3) Bug Fixes:
• Fixed bug causing custom songs converted in game to throw an error due to an unexpected update from third party service.
• Fixed bug causing an error to be thrown sometimes when returning to main menu before a song completes.
• Fixed bug causing hook targets to appear sometimes when players selected Jabs Only mode.
• Fixed bug causing notifications to overlap if more than one is requested.