docs(slides): update React and Vue migration guides to be compatible with Swiper 9#2819

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averyjohnston merged 5 commits intoFW-3513from

FW-3513-react-vue

Mar 13, 2023

Commits on Mar 10, 2023

update React docs
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Commits on Mar 13, 2023

update Vue docs
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typo
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revert Vue import changes
amandaesmith333
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update custom elements copy
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