e2e: Further fix flaky Twitter test

[anomiex]

Proposed Changes

PR #95579 attempted to adjust the test to accept both the expected iframe and the fallback link produced when Twitter's API is flaky. Unfortunately the way Playwright interpreted the code is like iframe > ( tweet or link ) rather than ( iframe > tweet ) or link as intended, so it's still not finding the link.

Fall back to using Promise.any() to combine the two locators instead, like we do in a bunch of other places.

Why are these changes being made?

E2E test is still flaky.

Testing Instructions

• Make sure it works normally, when the tweet is rendered.
• To force the fallback link to test that case, you can edit wp-includes/class-wp-oembed.php to add something like this at the top of private function _fetch_with_format()

  if ( str_contains( $provider_url_with_args, 'twitter' ) ) return false;

Pre-merge Checklist

• Has the general commit checklist been followed? (PCYsg-hS-p2)
• Have you written new tests for your changes?
• Have you tested the feature in Simple (P9HQHe-k8-p2), Atomic (P9HQHe-jW-p2), and self-hosted Jetpack sites (PCYsg-g6b-p2)?
• Have you checked for TypeScript, React or other console errors?
• Have you used memoizing on expensive computations? More info in Memoizing with create-selector and Using memoizing selectors and Our Approach to Data
• Have we added the "[Status] String Freeze" label as soon as any new strings were ready for translation (p4TIVU-5Jq-p2)?
• For changes affecting Jetpack: Have we added the "[Status] Needs Privacy Updates" label if this pull request changes what data or activity we track or use (p4TIVU-aUh-p2)?

[github-actions]

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[matticbot]

This PR does not affect the size of JS and CSS bundles shipped to the user's browser.

Generated by performance advisor bot at iscalypsofastyet.com.

[tbradsha]

Worked for me.