Follow-up fix to 0.9.1 for fixing
vrdisplayactivate and link traversal flow.
vrdisplayactivatehandler back earlier to fix auto entering VR in many cases (#4155).
vrdisplayactivateand link traversal due to last build having outdated version our three.js fork.
Entity.destroynot catching if entity is not attached to scenegraph (#4140).
- Fix exiting fullscreen on Chrome m71+ (#4136).
- Fix URL bar not hiding in iOS Safari in fullscreen (#4146).
- Fix wrong sized canvas in iOS VR by preventing multiple
requestPresentcalls if already presenting (#4148).