Don't add unnecessary newlines on selections.

We were adding newlines on wrapped lines that ended with a ' '. I don't
see anything breaking by removing this check, but if something does,
please be clear about it.
media: add missing extension for media

Summary:
add flac, m4a, opus

fixes T546

Test Plan: tycat flac or m4a or opus in terminology

Reviewers: raster, billiob

CC: seoz

Maniphest Tasks: T546

Differential Revision: https://phab.enlightenment.org/D1087