Clear record before merging dataset info

When loading dataset info in getDatasetInfo, clear any existing keys on the shared record object before Object.assign. This prevents stale/orphaned fields from a previously loaded dataset from persisting when switching datasets.

Author: shweta2101

pages/workspace/create/tdei.vue

@@ -168,6 +168,13 @@ async function getDatasetInfo(id: string | null) {
     const info = await client.getDatasetInfo(id);
 
     if (!info) return
+
+    // Clear stale keys from any previously loaded dataset before merging,
+    // so switching datasets never leaves orphaned fields in record.
+    for (const key of Object.keys(record)) {
+      delete record[key]
+    }
+
     Object.assign(record, info)
   });