demux: ts: fix outputing extraes
demux: ts: fix outputing extraes

Fixes issue on multiple teletex-page subtitles selection and other that
use extraes in ts-side.

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc