SirTrevor-embed-block: allow to update fields
SirTrevor-embed-block: allow to update fields

LBSD-280

liveblog/liveblog,superdesk/liveblog,darconny/liveblog,liveblog/liveblog,hlmnrmr/liveblog,hlmnrmr/liveblog,superdesk/liveblog,ancafarcas/liveblog,darconny/liveblog,ancafarcas/liveblog,ancafarcas/liveblog,liveblog/liveblog,darconny/liveblog,liveblog/liveblog,superdesk/liveblog,liveblog/liveblog,hlmnrmr/liveblog,hlmnrmr/liveblog,superdesk/liveblog,ancafarcas/liveblog,darconny/liveblog