Simple cam lock-on improvements
Adds several improvements to the lock-on targeting function for Simple controls.
- Bosses can be targeted even if out of sight
- Camera will not lose focus on bosses in their flashing state
- Allowed lock-on in ringslinger modes if chasecam is enabled
- Camera can lock onto players depending on targeting settings, gametype rule conditions, and team affiliation / tagged status
- Allowed targeting of CTF flags if targeting mode is set to "Bosses" or "Interests"
- If camera is in "locked" state but without a valid target to latch onto, camera will automatically seek a new target if in view
- Prevents camera from locking onto spurious object IDs during map load