MongoDbConnector returns obsolete config values during validation

public static final Field HOSTS = Field.create("mongodb.hosts")
                                       .withDisplayName("Hosts")
                                       .withType(Type.LIST)
                                       .withWidth(Width.LONG)
                                       .withImportance(Importance.HIGH)
                                       .withDependents(DATABASE_LIST_NAME)
                                       .withValidation(MongoDbConnectorConfig::validateHosts)
                                       .withDescription("The hostname and port pairs (in the form 'host' or 'host:port') "
                                               + "of the MongoDB server(s) in the replica set.");

public static final Field USER = Field.create("mongodb.user")
                                      .withDisplayName("User")
                                      .withType(Type.STRING)
                                      .withWidth(Width.SHORT)
                                      .withImportance(Importance.HIGH)
                                      .withDependents(DATABASE_LIST_NAME)
                                      .withDescription("Database user for connecting to MongoDB, if necessary.");

public static final Field PASSWORD = Field.create("mongodb.password")
                                          .withDisplayName("Password")
                                          .withType(Type.PASSWORD)
                                          .withWidth(Width.SHORT)
                                          .withImportance(Importance.HIGH)
                                          .withDependents(DATABASE_LIST_NAME)
                                          .withDescription("Password to be used when connecting to MongoDB, if necessary.");