[deno] Don't report support for native-only features

[andyleiserson]

Fixes #7796

Mask the adapter-supported features returned by wgpu before returning them to Javascript, to include only WebGPU-defined features.

This fixes the CTS test in #7796, but only after the error reporting changes go in (#7820). I've also added a dedicated test to cts_runner.

• Add the test if Report errors when CommandEncoder.finish is called #7820 lands.

Squash or Rebase? Squash.

Checklist

• Run cargo fmt.
• Run taplo format.
• Run cargo clippy --tests. If applicable, add:
  • --target wasm32-unknown-unknown
• Run cargo xtask test to run tests.
• If this contains user-facing changes, add a CHANGELOG.md entry.

[andyleiserson]

I guess the tests need GPU config stuff to work in CI. I'm not inclined to mess with that right now, I would probably revert the CI changes and put a comment in the cts_runner/tests/integration.rs mentioning that they don't run in CI. (We still get coverage from the CTS job.)

[cwfitzgerald]

@crowlKats discussing this in the maintainers meeting - didn't deno intend to expose native features as well?

[andyleiserson]

My intention was that the features would still work if requested -- they just won't be reported if you query the features. This may not be ideal, because the applications is probably not supposed to ask for features that aren't reported, and also because it relies on the application having some out-of-band knowledge of which non-WebGPU features are available, but it seemed like a reasonable short-term compromise.