Move the "Cancel build" button to the menu

Dependencies

• [2] 4IKSSKNL Restructure build menu
• [3] ZI535LI6 * hydra: 'new' UI for project/jobset/job/build
• [4] T6KISLR6 Fix indentation
• [5] MOX7XJ2E Merge the BuildSchedulingInfo table into the Builds table
• [*] IK53RV4V
• [*] QL55ECJ6 - adapted ui for hydra, more in line with nixos.org website
• [*] NAJJDIK6 Move 'keep build' and 'restart' to toplevel menu

Change contents

• edit in src/root/common.tt at line 276
  [3.3027]→[3.3027:3235](∅→∅)
  − [% IF c.user_exists %]

  − <form action="[% c.uri_for('/build' build.id 'cancel') %]" method="post" class="inline">

  − <button id="cancel" type="submit">Cancel</button>

  − </form>

  − [% END %]
• edit in src/root/topbar.tt at line 148
  [2.633]

  [9.318]
  + [% INCLUDE makeLink

  + uri = c.uri_for('/build' build.id 'cancel')

  + title = "Cancel build" %]