fixed an problem with arguments that got updated in different modules

plugins/module_utils/module.py

@@ -1,5 +1,6 @@
 import pathlib
-from typing import Any, Callable, ClassVar, Dict, NoReturn, Optional, Type, TypeVar, overload
+from copy import deepcopy
+from typing import Any, Callable, ClassVar, Dict, NoReturn, Optional, Type, TypeVar, Union, overload
 
 import ansible.module_utils.basic as basic
 
@@ -39,8 +40,8 @@ class AnsibleModule(object):
     def __init__(self):
         self.result = dict(changed=False)
         specs = dict()
-        specs.update(self._common_args)
-        modspec = self.module_spec.copy()
+        specs.update(deepcopy(self._common_args))
+        modspec = self.module_spec
         if "argument_spec" in modspec and "argument_spec" in self._common_args:
             specs["argument_spec"].update(modspec["argument_spec"])
             del modspec["argument_spec"]