After opening the Profiler Modules dropdown for adding and removing Profiler Modules, it's not getting closed on again clicking its header.
Refer attached video

Steps to repro:
1. Create a new Project.
2. Scene Window > Add Tab > Profiler
3. Profiler > Profiler Modules dropdown > Click again on a header

Actual result:
Profiler Modules dropdown window doesn't close on clicking its header.

Expected result:
Once the Profiler Modules dropdown window is opened then again clicking on its header, the dropdown window should close.

Workaround:
Need to click elsewhere on an editor to close the Profiler Modules dropdown window.

Reproducible in:
2021.2.0a7, 2021.2.0a1, 2021.1.0b9, 2021.1.0a1

Working Fine in:
2020.2.6f1, 2020.1.17f1, 2019.4.21f1.

Environment:
Only on macOS 10.15