Add class to the "Show outdated images" checkbox

[Page-]

Change-type: patch

Connects-to: # See: Depends-on: Change-type: major|minor|patch

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Contributor checklist

• [ ] I have regenerated jest snapshots for any affected components with npm run generate-snapshots

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[Page-]

LGTM

[JSReds]

Fine by me @Page- if you add the class there, you will have to do something like this e2e side:

document.querySelector('.e2e-show-outdated-images input').click()

And not

document.querySelector('.e2e-show-outdated-images').click()