Heartbeat signal to Arduino stops after a long time on highscores

[klapstoelpiloot]

Problem:
After a long time on the highscores screen, it seems the heartbeat signal is no longer received on the Arduino. It goes into Idle state (flashes yellow button).

Desired behavior:
Keep the Arduino in Normal mode as long as we're looking at the highscores screen by sending it heartbeats.

[klapstoelpiloot]

This happend once while it was on highscores screen for a while. A test was performed by putting it on highscores for several hours in an attempt to reproduce it, but it kept working fine. Will have to check if it happens again.