Revert back to copying self._task.args

lib/ansible/executor/task_executor.py

@@ -282,12 +282,13 @@ class TaskExecutor:
         # if this task is a TaskInclude, we just return now with a success code so the
         # main thread can expand the task list for the given host
         if self._task.action == 'include':
-            include_file = self._task.args.pop('_raw_params', None)
+            include_variables = self._task.args.copy()
+            include_file = include_variables.pop('_raw_params', None)
             if not include_file:
                 return dict(failed=True, msg="No include file was specified to the include")
-            else:
-                include_file = templar.template(include_file)
-            return dict(include=include_file, include_variables=self._task.args)
+
+            include_file = templar.template(include_file)
+            return dict(include=include_file, include_variables=include_variables)
 
         # Now we do final validation on the task, which sets all fields to their final values.
         # In the case of debug tasks, we save any 'var' params and restore them after validating