feat: add contracting party response class and update endpoints for institution contract creation

CompanyManagment.Application/InstitutionContractApplication.cs

@@ -1698,6 +1698,8 @@ public class InstitutionContractApplication : IInstitutionContractApplication
         return _institutionContractRepository.CreationComplete(request);
     }
 
+  
+
     private async Task<OperationResult<PersonalContractingParty>> CreateLegalContractingPartyEntity(
         CreateInstitutionContractLegalPartyRequest request, long representativeId, string address, string city,
         string state)