VR:
Fix trigger buttons always activating for both hands for Vive and Index headsets
Fix hint tool visualization staying active after a successful connection when mode was set to "always"
2D:
Fix a potential crash when pressing 'g' to dissolve a group
Fix "Scroll Wheel Piece Rotation" setting not being saved
Fix "X-Ray tool" not being adjustable with mouse wheel when "Scroll Wheel Piece Rotation" setting was turned on