Flaky playwright test: `timeline/timeline.spec.ts: should display a reply chain`

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8601898155

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8638851008

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8663036260

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8663154736

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8707553013

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8708366242

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8709816933

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8722360719

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8787726614

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8829556380

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8849019300

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8851130402

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8881985551

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8882235546

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https://github.com/matrix-org/matrix-react-sdk/actions/runs/8882267629