avoid readme flickering when resuming a chat (#566) #1499

Job	Run time
tests / ci (ubuntu-latest)	8m 38s
tests / ci (windows-latest)	14m 48s
tests-components / ci (ubuntu-latest)	1m 6s
mypy / mypy	1m 48s
tests-components / ci (windows-latest)	3m 36s
Run CI	1s
	29m 57s

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