Assets BroadcastSet

Added ability to move the screen in POV.
This is for desktop environment only.

I added the missing scene.

Added a medium sized tripod.
Changed tripod script.

- Fixed phone initial setup error.
- Fixed tripod setting value saving error.

- Fixed an issue where the front camera of the phone would not be applied in POV.

- Apply FOV correction to POV function.
- Fixed black background generation error.
- Improved application of phone camera POV function.
- Fixed screen setting error.
- Fixed screen black background error.

Added HUD feature - locks the screen to the screen.
POV - allows you to use the camera as the main camera. (You can exit with the ESC key.)

- Adjusted the shooting resolution. (We are planning to add a function to adjust it.)
- Added DSLR camera.
- Modified DSLR related script.

Added a feature that only has a camera without a shape.

Added Glass effect and screen brightness function to the screen.