chore: update React examples to match with the new React guidelines#12217

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SimenB merged 15 commits intojestjs:mainfrom charpeni:refactor-to-new-react-style

Feb 11, 2022

+97-88

Commits on Jan 6, 2022

Merge branch 'main' into refactor-to-new-react-style
charpeni
authored

Commits on Feb 11, 2022

Merge branch 'main' into refactor-to-new-react-style
SimenB
committed