Fixes #68 ## How to test 1. Log in as admin 2. Go to "Match / Application periods" 3. Click the edit icon (6th column) 4. Click "Save" Co-authored-by: Nico Athanassiadis <nico@dsv.su.se> Reviewed-on: #117 Reviewed-by: Nico Athanassiadis <nico@dsv.su.se> Co-authored-by: Andreas Svanberg <andreass@dsv.su.se> Co-committed-by: Andreas Svanberg <andreass@dsv.su.se>