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A series of tiny bugfixes

Only play speaker test tone on click

Update nav-mesh component and inflator to support precomputed nav-mesh

Fix the check to see if the pose is the same as last time.

Feature/ui pass for hubs

Add block buttons to the avatars during freeze mode.

Remove action_primary actions from vive triggers.

Add block buttons on avatars that show during freeze mode

Merge branch 'feature/block-box' of ssh://github.com/robertlong/social-vr-demo into feature/block-box

Move hand-pose state out of an inflated gltf-model-plus entity.

Merge branch 'feature/ui-pass-for-hubs' of github.com:mozilla/mr-social-client into feature/ui-pass-for-hubs

Freeze Mode and HUD restyle