Small fixes patch

Fixes for a few things in the recent updates:

- Fix excessive upward drift using boost targets in autopilot mode
- Fix unexpected upward deflection during boost targets with some heavy plane configurations in manual mode
- Fix Slat pontoons would sometimes never slow down on water
- Fix copter was visible in first person hud only view
- Fix FOV slider did not apply for cockpit cameras
- Plane decals take priority over trim
- Fix selecting free camera with hotkey following cockpit camera would no longer follow plane
- Fix draw distance on bomb camera