Manage Watcher Field Broken

Summary

The manage watcher field popup does not open under certain circumstances:

Steps to Reproduce

1. Open an issue
2. Click on the issue name inside the header ( To refresh the issue )
   
3. Not able to manage watchers via the built in pop-up
   

Expected Results

1. Manage watchers panel should pop-out

Actual Results

1. Manage watchers panel does not pop-out