Added the option to not change the target when in Freecam

[vitphire]

Type of change

New feature

Description

Added an option called "Change Target" to Freecam. (active by default) When it's deactivated, it hides the Rotate option, and stops changing the target to what the camera is looking at

Checklist:

• [✓] My code follows the style guidelines of this project.
• [✓] I have added comments to my code in more complex areas.
• [✓] I have tested the code in both development and production environments.