🐛 (editor) Fix duplicate group unique key parsing

Closes #1148

packages/lib/parseUniqueKey.ts

@@ -1,8 +1,16 @@
-export const parseUniqueKey = (
-  key: string,
-  existingKeys: string[],
-  count = 0
-): string => {
-  if (!existingKeys.includes(key)) return key
-  return parseUniqueKey(`${key} (${count + 1})`, existingKeys, count + 1)
+export const parseUniqueKey = (key: string, existingKeys: string[]): string => {
+  const keyMatcher = /^(.*?)\s*\(\d+\)$/
+  const parsedKey = keyMatcher.test(key) ? key.match(keyMatcher)![1] : key
+  const sameKeyCount = existingKeys.reduce((acc, existingKey) => {
+    if (
+      (keyMatcher.test(existingKey) &&
+        existingKey.match(keyMatcher)![1] === parsedKey) ||
+      parsedKey === existingKey
+    ) {
+      return acc + 1
+    }
+    return acc
+  }, 0)
+  if (sameKeyCount === 0) return parsedKey
+  return `${parsedKey} (${sameKeyCount})`
 }