1.7.10-1.16.5: Switching signals connected to a signalbox causes a crash after clicking on the signalbox

2 Scenarios:

Scenario 1

You place 1 signalbox and 2 signals.
Connect the signalbox with one of the signals.
Click on the signalbox, configure states and close it.
Connect the signalbox with the other signal.
Click on the signalbox: Game crashes - It tries to render the states from the first signal.

• Fixed

Scenario 2

You place 1 signalbox and 1 signal.
Connect the signalbo with the signal.
Click on the signalbox, configure states and close it.
Break the signal and replace it with one with different states.
Click on the signalbox: Game crashes - It tries to render the states from the first signal.

• Fixed