[7.7][Discover] Wrap flaky with retry

[sulemanof]

Summary

Wrap with retry to make sure angular did all rerenders.
This passed down 42 suites on FTR.

Checklist

Delete any items that are not applicable to this PR.

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios
• This was checked for keyboard-only and screenreader accessibility
• This renders correctly on smaller devices using a responsive layout. (You can test this in your browser
• This was checked for cross-browser compatibility, including a check against IE11

For maintainers

• This was checked for breaking API changes and was labeled appropriately

[sulemanof]

Hope this will end up with #61714 🤞

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 881e479

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

[dmlemeshko]

Code LGTM, tested with flaky-test-runner: 42 passed / 0 failed