jobsets: put hidden and enabled jobsets at the end

Dependencies

• [2] ZB3JV52W Add a "My jobsets" tab to the dashboard
• [3] RBHHV7P7 * Read logs using logContents function in stead of handling it everywhere separately.
• [4] IN272KZW * Automatically keep all builds in the latest successful release in
• [5] NP6QUCL7 * Fix indentation.
• [6] HPEG2RHV Merge the BuildResultInfo table into the Builds table
• [7] T7Z63K6T hydra: moves jobsetOverview sub
• [*] 2GK5DOU7 * Downloading closures.

Change contents

• replacement in src/lib/Hydra/Helper/Nix.pm at line 116
  [2.648]→[3.119:148](∅→∅),[3.119]→[3.119:148](∅→∅)
  − { order_by => "name"
  [2.648]

  [3.417]
  + { order_by => ["hidden ASC", "enabled DESC", "name"]