List submittal activity types
Returns every submittal activity type id/name pair valid for the activityTypeId field on
SubmittalActivityCreateRequest/SubmittalActivityUpdateRequest.
A value returned here is always accepted as activityTypeId on those requests.
Authentication
X-Brightmove-Company-ApiKeystring
BrightMove Company Api Key
X-Brightmove-User-ApiKeystring
BrightMove User Api Key
Response
Submittal activity types returned