fix: correct wrong control in application services

Author: andrea-acampora

src/main/kotlin/application/service/HealthProfessionalServices.kt

@@ -24,7 +24,7 @@ object HealthProfessionalServices {
         private val healthProfessionalRepository: HealthProfessionalRepository
     ) : ApplicationService<HealthProfessional?> {
         override fun execute(): HealthProfessional? =
-            if (healthProfessionalRepository.getHealthProfessional(healthProfessional.healthProfessionalId) != null) {
+            if (healthProfessionalRepository.getHealthProfessional(healthProfessional.healthProfessionalId) == null) {
                 healthProfessionalRepository.createHealthProfessional(healthProfessional)
             } else null
     }

src/main/kotlin/application/service/UserServices.kt

@@ -21,7 +21,7 @@ object UserServices {
      */
     class CreateUser(private val user: User, private val userRepository: UserRepository) : ApplicationService<User?> {
         override fun execute(): User? =
-            if (userRepository.getUser(user.userId) != null) {
+            if (userRepository.getUser(user.userId) == null) {
                 userRepository.createUser(user)
             } else null
     }