cherry-pick(#34353): chore: move attachment link back to tree item, make it flash yellow

[agg23]

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[github-actions]

Test results for "tests 1"

4 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-add-cookies.spec.ts:429:3 › should allow unnamed cookies @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/trace-viewer.spec.ts:293:1 › should show params and return value @webkit-ubuntu-22.04-node18
⚠️ [webkit-library] › tests/library/video.spec.ts:475:5 › screencast › should scale frames down to the requested size @webkit-ubuntu-22.04-node18

37613 passed, 648 skipped
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Merge workflow run.