Allow variables in URL Drilldown title

[vadimkibana]

Summary

Closes #96322

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
• Any UI touched in this PR is usable by keyboard only (learn more about keyboard accessibility)
• Any UI touched in this PR does not create any new axe failures (run axe in browser: FF, Chrome)
• If a plugin configuration key changed, check if it needs to be allowlisted in the cloud and added to the docker list
• This renders correctly on smaller devices using a responsive layout. (You can test this in your browser)
• This was checked for cross-browser compatibility

For maintainers

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

[vadimkibana]

@elasticmachine merge upstream

[elasticmachine]

Pinging @elastic/kibana-app-services (Team:AppServicesUx)

[Dosant]

Gave it a try. Works :)

[vadimkibana]

@elasticmachine merge upstream

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: 4899e98
• Cloud Deployment

Metrics [docs]

Page load bundle

Size of the bundles that are downloaded on every page load. Target size is below 100kb

id	before	after	diff
uiActionsEnhanced	22.2KB	22.3KB	+138.0B
urlDrilldown	15.0KB	15.3KB	+330.0B
total			+468.0B

Unknown metric groups

API count

id	before	after	diff
uiActionsEnhanced	205	206	+1

History

• 💚 Build #70472 succeeded 1db0674
• 💛 Build #70412 was flaky 4d9683e
• 💔 Build #69638 failed 18ae81b
• 💔 Build #69633 failed a7258a6

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