Crysis VR v1.0.2 - Full motion controller release

Another small bugfix update. This one should fix the position the binoculars are rendered from, and it will no longer display them on your hands while you are watching a cutscene. It also adds proper error messages for common issues that should hopefully be a bit more helpful to point players in the right direction.
It might or might not also fix issues with Reverb G2 controllers (can't test) and might or might not slightly improve CPU performance under particle-heavy scenes. It might or might not fix the scope view sometimes being black on the desktop mirror.

Commits

• 1b58536: Avoid updating particles twice per frame (Holger Frydrych)
• a1df5f4: Explicitly suggest bindings for Reverb G2 controllers (Holger Frydrych)
• a01bc71: Display a proper error message when OpenXR instance cannot be created (Holger Frydrych)
• fdc27a0: Try to detect failed syncs and display appropriate error message (Holger Frydrych)
• 4c972a5: Fix binocular camera render position (Holger Frydrych)
• 3c5fd0f: Avoid unnecessary eye copy for 2D renders; might fix scope being black on mirror sometimes? (Holger Frydrych)
• f69b4bf: For cutscenes, do not attach binocular vision to the hand, but rather display it in front of the player (Holger Frydrych)
• a44c3a6: Update version (Holger Frydrych)