Stop button doesn't stop the game

[CragglesG]

Describe the bug
The stop button in the Sprig editor does not stop the game when clicked.

To Reproduce
Steps to reproduce the behavior:

1. Run a game
2. Attempt to stop the game by clicking on the stop button
3. Observe that the game does not stop

Expected behavior
The game running should stop when the stop button is clicked.

Actual behavior
The game continues running regardless of whether the stop button is clicked.