Fix convert to original state dict for VLMs (#38385)

* fix convert to original state dict

* fix

* lint

* Update modeling_utils.py

Author: hiyouga

src/transformers/modeling_utils.py

@@ -3533,7 +3533,7 @@ def save_pretrained(
             for key, value in state_dict.items():
                 for pattern, replacement in reverse_key_mapping.items():
                     replacement = replacement.lstrip("^")  # strip off un-needed chars and patterns
-                    replacement = re.sub(r"\(.*?\)", "", pattern)
+                    replacement = re.sub(r"\(.*\)", "", replacement)
                     key, n_replace = re.subn(pattern, replacement, key)
                     # Early exit of the loop
                     if n_replace > 0: