🐛 (results) Fix export with deleted blocks

Forgot to check for header duplicates

packages/utils/results.ts

@@ -186,9 +186,18 @@ const parseResultsFromPreviousBotVersions = (
         ) &&
         isNotEmpty(answer.content)
     )
-    .map((answer) => ({
+    .reduce<ResultHeaderCell[]>((existingHeaders, answer) => {
+      if (
+        existingHeaders.some(
+          (existingHeader) => existingHeader.id === answer.blockId
+        )
+      )
+        return existingHeaders
+      return [
+        ...existingHeaders,
+        {
           id: answer.blockId,
-      label: `Deleted block`,
+          label: `${answer.blockId} (deleted block)`,
           blocks: [
             {
               id: answer.blockId,
@@ -196,7 +205,9 @@ const parseResultsFromPreviousBotVersions = (
             },
           ],
           blockType: InputBlockType.TEXT,
-    }))
+        },
+      ]
+    }, [])
 
 export const parseAnswers =
   (