chore: explicitly reset apiZone instead of everything

[dgozman]

Also simplify zones api a bit and improve test coverage.

[github-actions]

Test results for "tests 1"

7 flaky

⚠️ [firefox-page] › tests/page/page-evaluate.spec.ts:403:3 › should throw for too deep reference chain @firefox-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/browsercontext-clearcookies.spec.ts:92:3 › should remove cookies by domain @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/browsercontext-reuse.spec.ts:50:1 › should reset serviceworker @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/proxy.spec.ts:31:3 › should use proxy @smoke @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/trace-viewer.spec.ts:109:1 › should show tracing.group in the action list with location @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/video.spec.ts:381:5 › screencast › should capture navigation @webkit-ubuntu-22.04-node18
⚠️ [webkit-page] › tests/page/page-set-input-files.spec.ts:147:3 › should upload large file @webkit-ubuntu-22.04-node18

37568 passed, 648 skipped
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Merge workflow run.