[Feature]: Flip webcam video (horizontal / mirroring)

### Search existing issues

- [x] I have searched the existing issues

### Is your feature request related to a problem?

Horizontal Flip (Mirroring): A toggle to flip the webcam image across the vertical axis.

### Describe the solution you'd like

_No response_

### Describe alternatives you've considered

_No response_

### Additional context

_No response_