CONN-1310: CONN-1310: Modified Some semantics text fields to use ST_explicit data type

Changed the Semantics Text  datatype to ST_explicit to support the XML mixed mode value for the following fields:
LivingSubjectAdministrativeGender
LivingSubjectBirthPlaceAddress
LivingSubjectBirthPlaceName
LivingSubjectBirthTime
LivingSubjectId
LivingSubjectName
MothersMaidenName
PatientAddress
PatientTelecom
PrincipalCareProviderId
PrincipalCareProvisionId