How to fix RunCam 6's abnormal responses when powered via a Type-C cable?

When powering the RunCam 6 via a Type-C cable without using the internal battery, the camera may randomly pause or switch modes if the cable is moved.

To resolve these abnormal behaviors, there are two possible solutions:

1. Shorten the cable to reduce movement.
2. Connect the white PWM wire to the black ground (GND) wire.

Here is a demo video showing the camera functioning normally after connecting the white PWM wire to the black GND wire:

https://drive.google.com/file/d/1E-EE2wzVoXEl7YvmKnX4QZ7OW0FC1Nn8/view?usp=sharing