Fix bug, get channel.slug if channel existe, on set_context_data utils
Fix bug, get channel.slug if channel existe, on set_context_data utils

YACOWS/opps,williamroot/opps,opps/opps,opps/opps,williamroot/opps,jeanmask/opps,YACOWS/opps,williamroot/opps,jeanmask/opps,YACOWS/opps,opps/opps,YACOWS/opps,williamroot/opps,jeanmask/opps,opps/opps,jeanmask/opps