chore: show channel name in trace viewer metadata

[mxschmitt]

Fixes #26986

[github-actions]

Test results for "tests 1"

12 flaky

⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-event-request.spec.ts:101:3 › should report navigation requests and responses handled by service worker
⚠️ [chromium] › page/page-event-request.spec.ts:130:3 › should report navigation requests and responses handled by service worker with routing
⚠️ [chromium] › library/inspector/cli-codegen-javascript.spec.ts:87:5 › should save the codegen output to a file if specified
⚠️ [chromium] › page/page-event-request.spec.ts:101:3 › should report navigation requests and responses handled by service worker
⚠️ [chromium] › library/tracing.spec.ts:239:5 › should not include trace resources from the previous chunks
⚠️ [chromium] › page/page-event-request.spec.ts:101:3 › should report navigation requests and responses handled by service worker
⚠️ [chromium] › components/splitView.spec.tsx:65:5 › drag resize
⚠️ [webkit] › library/browsercontext-reuse.spec.ts:50:1 › should reset serviceworker
⚠️ [webkit] › library/inspector/cli-codegen-pytest.spec.ts:56:5 › should save the codegen output to a file if specified
⚠️ [webkit] › page/page-goto.spec.ts:277:3 › should fail when navigating to bad SSL after redirects
⚠️ [webkit] › page/page-wait-for-navigation.spec.ts:85:3 › should work with clicking on links which do not commit navigation

25337 passed, 590 skipped
✔️✔️✔️

Merge workflow run.