Fix netconf plugin dispatch response

Fixes #53236

*  If dispatch() rpc response has data element
   return the xml string from `<data>` element
   else return the complete xml string from
   `<rpc-reply>`.

(cherry picked from commit aac5ef5e13)

changelogs/fragments/netconf_plugin_dispatch_fix.yaml

@@ -0,0 +1,3 @@
+---
+bugfixes:
+- Fix netconf plugin dispatch response (https://github.com/ansible/ansible/issues/53236)

lib/ansible/plugins/netconf/__init__.py

@@ -208,7 +208,7 @@ class NetconfBase(AnsiblePlugin):
             raise ValueError('rpc_command value must be provided')
         req = fromstring(rpc_command)
         resp = self.m.dispatch(req, source=source, filter=filter)
-        return resp.data_xml if hasattr(resp, 'data_xml') else resp.xml
+        return resp.data_xml if resp.data_ele else resp.xml
 
     @ensure_connected
     def lock(self, target="candidate"):