change default in mk_copy (Draegerwerk#295)

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CHANGELOG.md

@@ -15,7 +15,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - basic_logging_setup only handles sdc logger, no more side effect due to calling logging.basicConfig. 
 - fixed wrong response for SetContextState message. [#287](https://github.com/Draegerwerk/sdc11073/issues/287
 - fixed connection problem when provider closes socket after first request. [#289](https://github.com/Draegerwerk/sdc11073/issues/289
-
+- change default in ContainerBase.mk_copy to not copy node due to performance problems. [#294](https://github.com/Draegerwerk/sdc11073/issues/294
+- 
 ### Changed
 - change python classes of `addressing_types.py` to match ws-addressing standard of 2006 instead of 2004 
 - The final OperationInvokedReport has OperationTargetRef parameter set. 

src/sdc11073/mdib/containerbase.py

@@ -80,7 +80,7 @@ def _update_from_other(self, other_container: ContainerBase, skipped_properties:
                 new_value = getattr(other_container, prop_name)
                 setattr(self, prop_name, copy.copy(new_value))
 
-    def mk_copy(self, copy_node: bool = True) -> ContainerBase:
+    def mk_copy(self, copy_node: bool = False) -> ContainerBase:
         """Make a copy of self."""
         copied = copy.copy(self)
         if copy_node and self.node is not None: