[improvement](knowledge) add dataSource filter sql for fillKnowledgeDimValue (#402)

Co-authored-by: kanedai <kanedai@tencent.com>

semantic/api/src/main/java/com/tencent/supersonic/semantic/api/model/response/DimensionResp.java

@@ -28,6 +28,8 @@ public class DimensionResp extends SchemaItem {
     private String datasourceName;
 
     private String datasourceBizName;
+
+    private String datasourceFilterSql;
     //DATE ID CATEGORY
     private String semanticType;