#966 - Add enum for discharge location
#966 - Add provider role id to provider
#966 - Add to user data model the provider role id
#966 - Set up provider role for creation of users
#966 - Update selector for frequency, type of prescription and discharge location fields for dispensing form
#966 - Update methods to fill fields of frecuency code, type of presciption and discharge location to dispensing form
#966 - Add enum for dropdown of drug frequency field at dispensing form
#966 - Add enum for dropdown type of prescription field at dispensing form
#966 - Update flow of dispensing tests