Non approvers can still abort input approval jobs

[jhendrick]

In the Post Actions section: "Let the job timeout or have your submitter click the Abort button. You will see the following output:"

You can actually push the abort button and it aborts even if you're not the approver.

Fix: https://support.cloudbees.com/hc/en-us/articles/115000633632-How-can-I-prevent-users-from-aborting-a-Pipeline-Input-Step-using-RBAC-