The friends screen closes when clicking outside of the GUI

Description

When clicking outside of the main content of the Friends Screen (default keybind: O), the GUI closes, which is inconsistent with every other builtin GUI. There is no Done/Close/Back button at the bottom of the screen to close the window.

Expected Behavior

The GUI only closes when clicking the (non-existent) Done/Close/Back button or when pressing ESC.

Actual Behavior

The GUI closes when clicking outside of the main content.