[assets/js] check/uncheck all
[controller] handle check/uncheck
[routes] add collection and remove_collection to student selection
[spec/feature] check/uncheck all in students selection
[view] views and js.erb for check/uncheck all
[service] handle collection and remove collection in student selection
[rubocop] satisfy houndci
Merge pull request #330 from Genshin/check_uncheck_all

Check uncheck all