More use of 'manager_date_format' in the manager
Update date formatting handling due to previously merged commits
Update for "not updated" settings values
Rebased & refactored context/settings/getlist due to change to class based
More use of 'manager_date_format' in the manager

* origin/pr/11864:
  Rebased & refactored context/settings/getlist due to change to class based
  Update for "not updated" settings values
  Update date formatting handling due to previously merged commits
  More use of 'manager_date_format' in the manager