Fix publishing videos with Media Publishing add-on

The problem seems to be only when you use a redis configuration:

at org.nuxeo.ecm.core.redis.contribs.RedisWorkQueuing.workSchedule(RedisWorkQueuing.java:196)

How to reproduce:

• Configure your environment using a redis configuration
• Install JSF and Media Publishing add-ons
• Do the Youtube or Wistia Configuration and the Nuxeo Platform(How to in: https://doc.nuxeo.com/nxdoc/nuxeo-media-publishing/ )
• In a Workspace create a video document type and upload a video
• In the document go to the Publish tab and try to publish the video
• error(500)