[Windows] Handle files with the same name but different unicode norms

FileExistsError: [WinError 183] Impossible de créer un fichier déjà existant: 'D:\\Documents\\nuxeo drive\\modele papieràlettrestampponDSI.pdf' -> 'D:\\Documents\\nuxeo drive\\modele papieràlettrestampponDSI.pdf'
  File "nxdrive\engine\watcher\local_watcher.py", line 949, in handle_watchdog_event
  File "nxdrive\utils.py", line 458, in normalize_event_filename
  File "pathlib.py", line 1309, in rename
  File "pathlib.py", line 393, in wrapped

Watchdog exception