Qt: don't have a too long URL displayed
Qt: don't have a too long URL displayed

Close #12851

(cherry picked from commit 9fd4b65f96c86ea8c39fd63a2412386d03060709)
Signed-off-by: Jean-Baptiste Kempf <7b85a41a628204b76aba4326273a3ccc74bd009a@videolan.org>

jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2,jomanmuk/vlc-2.2