Fast forward sticks in multicam

[patrickshen]

Steps to reproduce: 

1. View multicam timeline with multi camera view enabled
2. Play clip
3. Fast forward play back

Result: Cannot stop playback no matter what I try (spacebar, rewind, save, etc)
 
System info
    Application: Premiere Pro (Beta) v22.1.0.83
    OS: macOS v11.6.0, RAM: 32.00 GB GB, CPUs (logical): 8