support case insensitive and normalized file and folder names.

mdrsclient/commands/base.py

@@ -1,6 +1,7 @@
 import re
 from abc import ABC, abstractmethod
 from argparse import _SubParsersAction
+from unicodedata import normalize
 
 from mdrsclient.api import FolderApi, LaboratoryApi
 from mdrsclient.config import ConfigFile
@@ -39,7 +40,7 @@ class BaseCommand(ABC):
         self, connection: MDRSConnection, laboratory: Laboratory, path: str, password: str | None = None
     ) -> Folder:
         folder_api = FolderApi(connection)
-        folders = folder_api.list(laboratory.id, path)
+        folders = folder_api.list(laboratory.id, normalize("NFC", path))
         if len(folders) != 1:
             raise UnexpectedException(f"Folder `{path}` not found.")
         if folders[0].lock: