The warning and error icons were the same from before this PR.
If this is added, maybe we don't need to add https://github.com/Automattic/jetpack/pull/4040. We might add the portion that makes the function wpcom_static_url visible throughout the Jetpack plugin, but it might not be necessary to add the line that enqueues the icons in the Jetpack React UI.
wpcom_static_url
visible throughout the Jetpack plugin, but it might not be necessary to add the line that enqueues the icons in the Jetpack React UI.