Ansel Wont Work if the Project is Still Open

Ansel wont work if the same project is still open while running the packaged version.

Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617

1. Open the Editor
2. Enable the Ansel plugin and restart the editor
3. Save the level and set it as the default map
4. Packaged the project for windows
5. Open the packaged project with the Editor still running
6. Press Alt+F2 to use Ansel

Results:
An error message will pop up saying "a supported game is required to use this feature"

Expected:
Ansel would work

Workaround:
Close the project in the editor before opening the packaged version