* Removes test Shaft collider
* Fixes part of the path to the lower fan activation under the Shaft floor
* Adds the proper PRPs for future large button press (male and female) (thanks to Hazado for setting this up!)
* Various visual and collision fixes suggested by testers
* Repositioning of camera when descending into the first cave from the caldera.
* New camera on inner Shaft side of first node door for symmetry with opposing handle.
* More VisRegion adjustments to keep the bottom of the Shaft from not appearing when descending the slow way.
* Addition of three new spawn points along the length of the Shaft for potential future Nexus points.
* Adjustment of first node door's scripting and working parts (thanks to EmorDniLap for the suggestion of animating the clickable regions!)
Changes to Descent per tester comments. These include but are not limited to:
* fixes to collision in various parts of the caldera.
* fixed the first node door for testing.
* fixed misaligned struts for the first elevator.
* removed some visual black spiral blockers mid-Shaft
* extended VisRegion so lower part of Shaft will appear properly when looking down from higher up.
* fixed ladder leading up from bottom of Shaft fan activation tunnel.