Adds a dropdown to select the organization. The dropdown will only be activated for users with CourseCreator permission to specific organizations in Studio.

Use cases:

When FEATURES['ENABLE_CREATOR_GROUP'] = True and the user has CourseCreator permission granted, a dropdown will appear with all specific organizations allowed. In case of all_organizations setting is enabled, all organizations will appear in the dropdown.

In case the user is staff, he can create organizations it will work as before