Similar to JENKINS-55410
Seemingly if the message for echo step is too long, it solely prints "Print Message" in pipeline view, while for short messages it prints the message nicely: vs.
For the latter I would like to set an optional label to e.g. "PhpStorm inspection results".
Strings from the "echo" step are suppressed in BlueOcean UI if they contain values found in an environment variable
Add label attribute for persistable steps to improve usability