Add Emotion container query utilities

[tkajtoch]

Note: The PR is marked as draft because it needs marking new exports as beta. Other than that it's good to review!

Summary

Resolves https://github.com/elastic/eui/issues/8964

This PR adds basic Emotion container query utilities to EUI: euiContainer(), euiContainerCSS(), and euiContainerQuery().

Why are we making this change?

Because CSS container queries are baseline now, and they are tremendously useful. They will be nice to have for some upcoming Kibana features.

Impact to users

New exports; no impact to users

QA

Remove or strikethrough items that do not apply to your PR.

[elasticmachine]

:green_heart: Build Succeeded

• Buildkite Build
• Commit: 391ad585303485fea07d3e7dc6763dc209c9bf8a
• Documentation website
• Storybook

History

• :green_heart: Build #2178 succeeded 51fef7c9be4cc36fe407fb334973f2bf61731a39

cc @tkajtoch

[elasticmachine]

:green_heart: Build Succeeded

• Buildkite Build
• Commit: 391ad585303485fea07d3e7dc6763dc209c9bf8a

History

• :green_heart: Build #5400 succeeded 51fef7c9be4cc36fe407fb334973f2bf61731a39

cc @tkajtoch