bitECS: Crashes if open object menu on link objects

[Takahiro]

Description

Hubs Client with the new bitECS based implementation crashes if you attempt to open object menu on link objects.

You can use Link.glb for testing that can be downloaded at

https://github.com/mozilla/hubs-sample-assets/tree/main/Hubs%20Components/Exported%20GLB%20Models

To Reproduce
Steps to reproduce the behavior:

1. Go to hubs.mozilla.com
2. Create and enter a room
3. Enable the new bitECS based Client via Room Settings
4. Upload Link.glb
5. Hover the cursor on the object
6. Press the spacebar to open object menu
7. Confirm the client crashes

Expected behavior

No crash and object menu is shown

Hardware

• Device: Desktop
• OS: Windows
• Browser: Chrome