"macOS - No convenient way to refocus window before login"

An anonymous macOS user reports:

on macOS, there is no easy way to refocus the window unless already connected.

Steps to reproduce:

  1. Open app
  2. Lose window focus
  3. Try to open from taskbar icon

What is the current behavior?
Option is greyed out and doesn't work.

What is the expected behavior?
Option should bring signed out window into focus.