fix: outputchannel creation when style_tag is none
fix: outputchannel creation when style_tag is none

superdesk/liveblog,superdesk/liveblog,hlmnrmr/liveblog,hlmnrmr/liveblog,liveblog/liveblog,liveblog/liveblog,liveblog/liveblog,hlmnrmr/liveblog,superdesk/liveblog,superdesk/liveblog,liveblog/liveblog,liveblog/liveblog,hlmnrmr/liveblog