- Fix Checklists.forEach is not a function.
- Fix Checklists.forEach is not a function.

Thanks to xet7 !

Closes #1753

wekan/wekan,wekan/wekan,wekan/wekan,wekan/wekan,libreboard/libreboard,GhassenRjab/wekan,GhassenRjab/wekan,wekan/wekan,GhassenRjab/wekan,libreboard/libreboard