Show when a Project's jobsets are disabled

Dependencies

• [2] LZVO64YG Merge in the first bits of the API work
• [*] FPK5LF53 * Put the project-related actions in a separate controller. Put the

Change contents

• edit in src/lib/Hydra/Controller/Project.pm at line 26
  [2.16051]

  [2.16051]
  + "jobsets.disabled",