include user_roledns in wopi session

Summary:
When you configure fileapi_sources via specific
roles ($config['kolab_auth_role_settings']) these changes
won't get applied when starting a wopi sessions.

Error on WOPI Server

wsd-00030-01059 2020-02-08 19:53:36.755875 [ docbroker_058 ] ERR  WOPI::CheckFileInfo failed with 500 Document session not found.| wsd/Storage.cpp:545

Test Plan:

• Create a role base specific fileapi_sources configuration
• Configure Wopi
• try editing the document. You end up with a connection error

Reviewers: #chwala_developers, machniak, vanmeeuwen

Reviewed By: vanmeeuwen

Maniphest Tasks: T5752

Differential Revision: https://git.kolab.org/D943