DLGL99GL

ar-hit-test-XRSPACE_UNBOUNDED not worked

1

i modified the options.spaceType according to [XrHitTest API](https://developer.playcanvas.com/en/api/pc.XrHitTest.html);  enter AR, i can,t found the the circle of HitTest; it worked in 'XRSPACE_VIEWER'、‘XRSPACE_LOCAL’、‘XRSPACE_LOCALFLOOR’；but not worked in 'XRSPACE_BOUNDEDFLOOR' and 'XRSPACE_UNBOUNDED'