Fix auto_map + sync source files

modeling_rtmdet.py

@@ -1797,6 +1797,8 @@ class RTMDetModel(PreTrainedModel):
         
         # Initialize weights
         self.init_weights()
+        # Required: triggers post_init() which sets all_tied_weights_keys etc.
+        self.post_init()
     
     def init_weights(self):
         """Initialize the weights of the model."""