Cohort sync dropdown contains redundant entries

Login as admin Navigate to Users > Accounts > Cohorts in site administration Create two new cohorts in the system content: "Horses" & "Badgers" Navigate to Competencies > Learning plan templates in site administration Press Add new learning plan template Give it a name and Save changes Navigate to Competencies > Learning plan templates in site administration Click Edit in the Actions column for your new learning plan Press Add cohorts to sync Expand the autocomplete field, select "Badgers" and press Add cohorts When the page reloads expand the autocomplete field again and confirm that "Badgers" isn't present Select "Horses" and press Add cohorts When the page reloads expand the autocomplete field and confirm it's empty (Shortened version of testing instructions from MDLQA-12178 )