fix(est): distinguish repeated change items

tools/est-test/native-business.js

@@ -54,10 +54,15 @@ const EstBusiness = (() => {
   }
   function changes(project) {
     const old = project.baseline?.tables.EstMainDat || [];
-    const seen = new Set();
+    const groups = new Map();
+    old.forEach((row, index) => {
+      const key = rowKey(row, index),
+        group = groups.get(key) || [];
+      group.push({ row, index });
+      groups.set(key, group);
+    });
     const changes = project.tables.EstMainDat.map((row, index) => {
-      seen.add(rowKey(row, index));
-      const saved = old.find((r, i) => rowKey(r, i) === rowKey(row, index));
+      const saved = groups.get(rowKey(row, index))?.shift()?.row;
       const stored =
         !project.baseline && ["Code_", "Name_", "GN_", "TC_"].some((key) => row[key] != null)
           ? Object.fromEntries(
@@ -87,22 +92,22 @@ const EstBusiness = (() => {
         originalSource: saved ? "baseline" : stored ? "file" : null,
       };
     });
-    old.forEach((row, index) => {
-      if (seen.has(rowKey(row, index))) return;
-      changes.push({
-        key: rowKey(row, index),
-        Code: row.Code || "",
-        Name: row.Name || "",
-        originalGN: num(row.GN),
-        originalTC: num(row.TC),
-        GN: 0,
-        TC: 0,
-        difference: -num(row.TC),
-        NewItem: false,
-        status: "deleted",
-        originalSource: "baseline",
-      });
-    });
+    for (const group of groups.values())
+      for (const { row, index } of group) {
+        changes.push({
+          key: rowKey(row, index),
+          Code: row.Code || "",
+          Name: row.Name || "",
+          originalGN: num(row.GN),
+          originalTC: num(row.TC),
+          GN: 0,
+          TC: 0,
+          difference: -num(row.TC),
+          NewItem: false,
+          status: "deleted",
+          originalSource: "baseline",
+        });
+      }
     return changes;
   }
   function costChanges(project) {