Add oculus go hack

src/hub.js

@@ -388,6 +388,14 @@ document.addEventListener("DOMContentLoaded", async () => {
 
   if (availableVREntryTypes.isInHMD) {
     remountUI({ availableVREntryTypes, forcedVREntryType: "vr" });
+
+    if (AFRAME.utils.device.getVRDisplay().displayName.indexOf("Cardboard") >= 0) {
+      // HACK - Oculus Go sometimes reports Cardboard as the primary VR display on startup
+      // and that is cached by A-Frame, so we need to resolve that before entering as well.
+      const displays = await navigator.getVRDisplays();
+      const vrDisplay = displays.length && displays[0];
+      AFRAME.utils.device.getVRDisplay = () => vrDisplay;
+    }
   } else {
     remountUI({ availableVREntryTypes });
   }