Locked down all endpoints (#4071)

app/controllers/api/v1/recordings_controller.rb

app/controllers/api/v1/room_settings_controller.rb

app/controllers/api/v1/rooms_configurations_controller.rb

app/controllers/api/v1/rooms_controller.rb

app/controllers/api/v1/shared_accesses_controller.rb

app/controllers/api/v1/site_settings_controller.rb

app/controllers/api/v1/users_controller.rb

spec/controllers/recordings_controller_spec.rb

spec/controllers/rooms_controller_spec.rb

spec/controllers/shared_accesses_controller_spec.rb

spec/controllers/users_controller_spec.rb

spec/factories/role_factory.rb

spec/factories/user_factory.rb

spec/helpers.rb

spec/services/room_settings_getter_spec.rb