major: Migration from better-auth to keycloak

legalconsenthub-backend/src/main/kotlin/com/betriebsratkanzlei/legalconsenthub/user/UserMapper.kt

@@ -4,31 +4,22 @@ import com.betriebsratkanzlei.legalconsenthub_api.model.UserDto
 import org.springframework.stereotype.Component
 
 @Component
-class UserMapper(
-    private val roleConverter: UserRoleConverter
-) {
+class UserMapper {
     fun toUserDto(user: User): UserDto {
-        val organizationRolesDto = roleConverter.convertToMap(user.organizationRoles)
-
         return UserDto(
-            id = user.id,
+            keycloakId = user.keycloakId,
             name = user.name,
-            status = user.status,
-            organizationRoles = organizationRolesDto
+            organizationId = user.organizationId
         )
     }
 
     fun toUser(userDto: UserDto): User {
         val user = User(
-            id = userDto.id,
+            keycloakId = userDto.keycloakId,
             name = userDto.name,
-            status = userDto.status
+            organizationId = userDto.organizationId
         )
 
-        userDto.organizationRoles.forEach { (orgId, roles) ->
-            roleConverter.setRolesForOrganization(user.organizationRoles, orgId, roles)
-        }
-
         return user
     }
 }