Set is_intensive=True for r2SCAN model

Author: bowen-bd

chgnet/model/composition_model.py

@@ -529,7 +529,7 @@ def initialize_from_mp_r2scan(self) -> None:
         ).view([1, 94])
 
         self.fc.load_state_dict(state_dict)
-        self.is_intensive = False
+        self.is_intensive = True
         self.fitted = True
 
     def initialize_from_numpy(self, file_name: str | Path) -> None: