user: Fix spelling of create-projects role.

Dependencies

• [2] XJRJ4J7M Add user registration
• [3] 2G63HKCH Fix some wellformedness issues
• [*] SZYDW2DG hydra: added some user admin

Change contents

• replacement in src/root/user.tt at line 76
  [2.6691]→[2.6691:6750](∅→∅)
  − [% INCLUDE roleoption role="create-project" %]
  [2.6691]

  [2.6750]
  + [% INCLUDE roleoption role="create-projects" %]