[Fix] DRC-978 Reset the current code when Modal is opened

Signed-off-by: Kent Huang <[email protected]>

js/src/components/lineage/PreviewChangeView.tsx

@@ -26,7 +26,7 @@ import { QueryParams, submitQueryDiff } from "@/lib/api/adhocQuery";
 import { SubmitOptions, waitRun } from "@/lib/api/runs";
 import { useRecceActionContext } from "@/lib/hooks/RecceActionContext";
 import { useMutation } from "@tanstack/react-query";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 import { QueryForm } from "../query/QueryForm";
 import { AiOutlineExperiment } from "react-icons/ai";
 import { useFeedbackCollectionToast } from "@/lib/hooks/useFeedbackCollectionToast";
@@ -187,6 +187,12 @@ export function PreviewChangeView({
     externalLinkText: "Give us feedback",
   });
 
+  useEffect(() => {
+    if (isOpen) {
+      setModifiedCode(current?.raw_code || "");
+    }
+  }, [isOpen, current]);
+
   return (
     <Modal
       isOpen={isOpen}