(bug): Profile drop-down overlaps notifications drop-down

Summary

Reported by Ubertesters.

Steps to reproduce

1. Login to ment.
2. Open Notifications drop-down.
3. now tap on Profile drop menu (Profile picture)
4. Observe

Platform information

iPhone 6 / iOS 11 / e9862dd2ac80e2e197cc43f8ae703e285dd510f6

What is the current bug behavior?

Profile drop-down overlaps notifications drop-down

What is the expected correct behavior?

Notifications drop-down should close on opening profile drop-down.

Relevant logs and/or screenshots

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)