Fixing errors when compiling UMD types

[RaananW]

This will fix the issue found on thursday (preventing ts playgrounds from running)

[bjsplat]

Please make sure to label your PR with "bug", "new feature" or "breaking change" label(s).
To prevent this PR from going to the changelog marked it with the "skip changelog" label.

[bjsplat]

Snapshot stored with reference name:
refs/pull/15092/merge

Test environment:
https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15092/merge/index.html

To test a playground add it to the URL, for example:

https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15092/merge/index.html#WGZLGJ#4600

Links to test babylon tools with this snapshot:

https://playground.babylonjs.com/?snapshot=refs/pull/15092/merge
https://sandbox.babylonjs.com/?snapshot=refs/pull/15092/merge
https://gui.babylonjs.com/?snapshot=refs/pull/15092/merge
https://nme.babylonjs.com/?snapshot=refs/pull/15092/merge

To test the snapshot in the playground with a playground ID add it after the snapshot query string:

https://playground.babylonjs.com/?snapshot=refs/pull/15092/merge#BCU1XR#0

[RaananW]

Adding a test so it won't happen again

[bjsplat]

Visualization tests for WebGPU (Experimental)
Important - these might fail sporadically. This is an optional test.

https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15092/merge/testResults/webgpuplaywright/index.html

[bjsplat]

WebGL2 visualization test reporter:

https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15092/merge/testResults/webgl2playwright/index.html

[RaananW]

@deltakosh - I made some rename changes to the shares ui components library to avoid duplication, otherwise inspector, nme, nge declarations were failing standard tsc call. Want to review this again?

[bjsplat]

Visualization tests for WebGPU (Experimental)
Important - these might fail sporadically. This is an optional test.

https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15092/merge/testResults/webgpuplaywright/index.html