This bug makes me sad. Pretty please, Epic, take a look into this one. Such a time-consuming, workflow-interrupting hassle, especially when you remember the days when this worked fine 
The Asset Actions > Reload option would be acceptable to me, but, alas, it causes an engine crash for me too.
If anyone finds any other work-arounds, please let me know. I’ll keep looking. Dealing with so many nested widgets at the moment, and this is quite the headache!