Fixed an issue with the course groups in which users from all organisations were fetched by the queries, regardless of what organisation the course was affiliated with- or what organisations the user making changes had permissions to access.
Merge branch 'develop' of https://github.com/EntradaProject/entrada-1x into develop

# By Robert Fotino
# Via Robert Fotino
* 'develop' of https://github.com/EntradaProject/entrada-1x:
  Fixed bug where checking and unchecking boxes for recurring events caused them to stay checked.