fixing drywall around outlet

Okay so we get the kitchen remodled complete tear out to the studs we add some outlets. electric guys turn a 2 gang box into a 3 gang box it was attached to the stud on the the right side. So 2 months later, tonight, I am making dinner and notice what looks like a bulge on the left side of the outlet cover? So I take the cover off and what happened was as the outlet was screwed into the box on the left side, it pulled the left edge of the plastic box into the drywall and cracked the mud/drywall.

The electrician must have tightened the outlet too much or??? So I was able to get glue in joint and push it back in place, I also trimed a bit of the mud so when the outlet is tightened it will not push on the mud again. think this will hold. I really hope so as we just got every finished and painted, it would be a nightmare to attemt to retexture paint etc.


Any other ideaS?