fix: fix yaml settings not loaded

closes #6 and #5

Author: AlmogBaku

openai_streaming/struct/handler.py

@@ -93,7 +93,7 @@ async def _handle_parsed(self, part) -> Optional[Union[TModel, Terminate]]:
         """
         try:
             typ = get_args(type(self.handler).__orig_bases__[0])[0]
-            parsed = typ(**part)
+            parsed = typ.model_construct(**part)
         except (TypeError, ValueError):
             return