Explicitly request spatial input callbacks on the current thread at registration time.
In RS1, callbacks are delivered on random threads and the JS context is bound to the UI thread.
In RS2, callbacks are already delivered on the same thread as registration, so this change is a no-op.
Explicitly request spatial input callbacks on the current thread at registration time.
In RS1, callbacks are delivered on random threads and the JS context is bound to the UI thread. In RS2, callbacks are already delivered on the same thread as registration, so this change is a no-op.