TEIS-1506 updated ClassifierItemSearchFilterDto to contain itemName attribute

api-gateway-lib/src/main/java/ee/sm/ti/teis/commongateway/classifier/search/ClassifierItemSearchFilterDto.java

@@ -13,6 +13,7 @@ import lombok.NoArgsConstructor;
 public class ClassifierItemSearchFilterDto {
     private String definitionId;
     private String itemCode;
+    private String itemName;
     private String attributeCode;
     private String attributeValue;
     private Integer itemLevel;