[Direct Edit] Handle document unlock error when it is already locked by someone else

HTTPError: 500 Server Error:  for url: https://uniged-dm.com/nuxeo/site/automation/Document.Unlock
  File "lib\site-packages\nuxeo\client.py", line 282, in request
  File "lib\site-packages\requests\models.py", line 941, in raise_for_status

HTTPError: HTTPError(500), error: 'Failed to invoke operation: Document.Unlock, Failed to invoke operation Document.Unlock, Document already locked by USERID2: DOCID', server trace: None
(1 additional frame(s) were not displayed)
...
  File "nxdrive\client\remote_client.py", line 696, in unlock
  File "nxdrive\client\remote_client.py", line 204, in execute
  File "nxdrive\client\remote_client.py", line 200, in execute
  File "lib\site-packages\nuxeo\operations.py", line 206, in execute
  File "lib\site-packages\nuxeo\client.py", line 285, in request

Cannot unlock_orphan document WindowsPath('DOCID_doc-fichierLivrable/some important file.pdf')