Small changes to jest, including the recommended jest extension

[RaananW]

This mades changes to the jest configuration to remove a seprecation warning.

I also include the jest extension in the recommendations for this repo to allow quick testing using vscode.

[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/15809/merge

Test environment:
https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15809/merge/index.html

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

https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15809/merge/index.html#WGZLGJ#4600

Links to test babylon tools with this snapshot:

https://playground.babylonjs.com/?snapshot=refs/pull/15809/merge
https://sandbox.babylonjs.com/?snapshot=refs/pull/15809/merge
https://gui.babylonjs.com/?snapshot=refs/pull/15809/merge
https://nme.babylonjs.com/?snapshot=refs/pull/15809/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/15809/merge#BCU1XR#0

[bjsplat]

Visualization tests for WebGPU (Experimental)

https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15809/merge/testResults/webgpuplaywright/index.html

[bjsplat]

WebGL2 visualization test reporter:

https://snapshots-cvgtc2eugrd3cgfd.z01.azurefd.net/refs/pull/15809/merge/testResults/webgl2playwright/index.html

[RaananW]

Extension acts weird after a while, testing.

[RaananW]

The two extensions actually "merge" nicely. The new one adds the following:

It also adds the tests in the test tab:

The older one's nicest feature is the "Run | Debug" buttons on top of each test:

Other than that it is not very visible.

I have them both running right now. They don't collide and play nicely with one another. If anyone wants to experiment with the new one and give an opinion - let me know :-)

[sebavan]

LGTM but really tested quickly :-)