bug #5139 :  Fix the online edition of documents whose the name contains non-ASCII characters

Use the last version of OfficeOnline tool for the online edition of documents (webdav access) that fixes some bugs (with the URL of documents whose the name has non-ASCII characters).

Concerns also the bugs #5167 and #4984 (don't forget to close it once this PR is integrated).

Dont't forget to integrate also the PR for OfficeOnline project.