use_inference 자료형 변경

src/main/java/com/kamco/cd/kamcoback/postgres/entity/MapSheetMngHstEntity.java

@@ -42,7 +42,7 @@ public class MapSheetMngHstEntity extends CommonDateEntity {
   private ZonedDateTime dataStateDttm;
 
   @Column(name = "use_inference")
-  private Boolean useInference;
+  private String useInference;
 
   @Column(name = "use_inference_dttm")
   private ZonedDateTime useInferenceDttm;