Closes gh-15056

Closes gh-15050

Closes gh-15026

* pr/15033:
  Simplify ArrayList calling addAll() immediately

Closes gh-15033

See gh-15031

See gh-15031

Closes gh-15031

* pr/15049:
  Polish EnableConfigurationPropertiesImportSelector javadoc

Closes gh-15049

Closes gh-15030

Closes gh-15028

This reverts commit 4630c229.

It seems like we can't use constructor injection at the
moment.

Closes gh-14891

Change the `RemoteApplicationLauncher` to use a random port and also
protect against an NPE if the launch fails.

* gh-14886:
  Polish "Handle StepRegistry connect/read timeout deprecation"
  Handle StepRegistry connect/read timeout deprecation

Closes gh-14886

See gh-14886

Closes gh-14733

Closes gh-14892

Closes gh-14889

Closes gh-14914

This commit changes the requested endpoint for the Jest
HealthIndicator. The `"/_all/_stats"` was previously used, but
the response size can be quite large and costly.

This is now using the `"/_cluster/health"` endpoint.

Closes gh-14854

Closes gh-14882
See gh-14699
See gh-13377

Closes gh-15005

Closes gh-14888