Open the clip_extra flag in TracedLayer.save_inference_model (#46473)

* open the clip_extra flag in paddle.static.save_inference_model, test=allcase

* set the defalut value of clip_extra in TracedLayer from False to True, test=allcase

python/paddle/fluid/dygraph/jit.py

@@ -1650,7 +1650,7 @@ class TracedLayer(object):
                 check_type(
                     f, "each element of fetch", int,
                     "fluid.dygraph.jit.TracedLayer.save_inference_model")
-        clip_extra = kwargs.get('clip_extra', False)
+        clip_extra = kwargs.get('clip_extra', True)
         # path check
         file_prefix = os.path.basename(path)
         if file_prefix == "":