Altering Player Controller in Gamemode resets upon reloading project

If a user sets the player controller to a custom Player Controller inside of a gamemode, then compiles, saves, and closes both the blueprint and the editor. Upon reloading the player controller in the game mode blueprint will be reset.

1. Download attached .zip file
2. Unzip zip file
3. Open project from unzipped file.
4. Open BpGameModeA>Defaults
5. Set Player Controller Class to "BpController"
6. Compile, save, close blueprint
7. Save and close project
8. Reopen project
9. Open BpGameModeA>Defaults