(B) Fix using issues

Clinics.Backend/Domain/Entities/People/Employees/Employee.cs

-using Domain.Entities.People.Employees.Shared;
+using Domain.Entities.People.Employees.Relations.EmployeeFamilyMembers;
+using Domain.Entities.People.Employees.Shared;
 using Domain.Entities.People.Patients;
 using Domain.Primitives;
 

Clinics.Backend/Domain/Entities/People/Patients/Patient.cs

 using Domain.Entities.People.Patients.Relations.PatientDiseases;
+using Domain.Entities.People.Patients.Relations.PatientMedicines;
 using Domain.Entities.People.Shared;
-using Domain.Entities.People.Shared.Constants.GenderValues;
+using Domain.Entities.People.Shared.GenderValues;
+using Domain.Entities.Visits;
 using Domain.Primitives;
 
 namespace Domain.Entities.People.Patients;

Clinics.Backend/Domain/Entities/People/Patients/Relations/PatientDiseases/PatientDisease.cs

-using Domain.Primitives;
+using Domain.Entities.Medicals.Diseases;
+using Domain.Primitives;
 
 namespace Domain.Entities.People.Patients.Relations.PatientDiseases;
 

Clinics.Backend/Domain/Entities/People/Patients/Relations/PatientMedicines/PatientMedicine.cs

-using Domain.Primitives;
+using Domain.Entities.Medicals.Medicines;
+using Domain.Primitives;
 
 namespace Domain.Entities.People.Patients.Relations.PatientMedicines;
 

Clinics.Backend/Domain/Entities/People/Shared/Constants/GenderValues/Gender.cs → Clinics.Backend/Domain/Entities/People/Shared/GenderValues/Gender.cs

 using Domain.Primitives;
 
-namespace Domain.Entities.People.Shared.Constants.GenderValues;
+namespace Domain.Entities.People.Shared.GenderValues;
 
 // TODO: Convert to a value object
 public sealed class Gender(int id) : Entity(id)

Clinics.Backend/Domain/Entities/People/Shared/Constants/GenderValues/Genders.cs → Clinics.Backend/Domain/Entities/People/Shared/GenderValues/Genders.cs

-namespace Domain.Entities.People.Shared.Constants.GenderValues;
+namespace Domain.Entities.People.Shared.GenderValues;
 
 public static class Genders
 {