Add @functools.wraps(func) to the wrapper function of @uamethod

This way we can decorate a function which is already decorated with
`@uamethod` again and things like `func.__name__` will correctly return
the name of the decorated function and not `wrapper`.

asyncua/common/methods.py

@@ -5,6 +5,7 @@
 from __future__ import annotations
 
 from asyncio import iscoroutinefunction
+from functools import wraps
 from typing import Any, Iterable, List, Union
 
 import asyncua
@@ -77,12 +78,14 @@ def uamethod(func):
  """
 
  if iscoroutinefunction(func):
+ @wraps(func)
  async def wrapper(parent, *args):
  func_args = _format_call_inputs(parent, *args)
  result = await func(*func_args)
  return _format_call_outputs(result)
 
  else:
+ @wraps(func)
  def wrapper(parent, *args):
  func_args = _format_call_inputs(parent, *args)
  result = func(*func_args)