addons: Spacebar menu scale and rotate buttons do nothing when interacted with

[Exairnous]

Description
Applies to: #6468
Objects can't be manipulated via the scale and rotate buttons from the spacebar menu anymore. This affects both the bitECS and A-Frame loaders.

To Reproduce
Steps to reproduce the behavior:

• bitECS and A-Frame

1. Enter a Hubs room.
2. Drag and drop a GLB file that you have locally on your computer into the room (or use Place -> Upload). This file can be downloaded and used to test if you don't have any GLBs handy: Test_Cube.zip.
3. Hover over the object and press and hold the spacebar to bring up the menu (you may have to move your avatar around a bit to get it to show up).
4. Click and drag on the scale or rotate buttons while holding the spacebar.
5. See that the view moves instead of the object scaling or rotating.

• A-Frame Only

6. Spawn a media frame cube via the /cube chat command.
7. Use the media frame cube to capture the object to allow moving the object.
8. Move the object outside of the media frame (steps 6-8 work around bug #6518).
9. Hover over the object and press and hold the spacebar to bring up the menu (you may have to move your avatar around a bit to get it to show up).
10. Click and drag on the scale or rotate buttons while holding the spacebar.
11. See that the object moves instead of scaling or rotating.

Expected behavior
The object should be scaled or rotated, depending on which button is interacted with.

Hardware

• Device: Laptop
• OS: GNU/Linux
• Browser: Chromium and Firefox

Additional context
Potentially caused by #6487
Originally reported (with slight differences) against the master branch here: #6496