M2 (Bug) - User Settings Menu Doesn't Close When Clicking Offscreen on an iFrame page

Details
User Settings Menu Doesn't Close When Clicking Offscreen on an iFrame page

Testing Environment Details
Effected Server: M2
Store(s): Any
Logged in User: tristan.strong
Feature: N/A
Related Tickets (Stories or Features): CFAMX-16093
Other Related Links (Confluence, BRDs, Etc...): N/A
Feature Configurations: N/A

Steps to Reproduce:
1. Login to M2
2. Navigate to Forecast > Sales
3. Open the User Settings
4. Click anywhere on the iFrame

Expected Result
User Settings should close

Actual Result:
User Settings Menu remains Open