Explore integrating E2E tests with visual-diff tests

[estherkim]

Enable easier debugging when taking screenshots and doing visual-diffs. Explore merging the two test types

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[rsimha]

Here's the section in the Percy docs on E2E testing: https://docs.percy.io/docs/end-to-end-testing

It could be valuable to integrate snapshots into our E2E tests. Maybe we can try this with one or two tests to see how they fare over multiple builds?

/cc @danielrozenberg for help with Percy accounts, etc.

[rsimha]

[Infra triage] I think this is still a P3, but putting this on the radar or @rileyajones for visibility.

[stale]

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