Qt: prevent focus stealing on seekbar tooltip
Qt: prevent focus stealing on seekbar tooltip

Why be consistent, Qt?

Close #12671

(cherry picked from commit f35a1b8311d2a8ac12dc2f419157c35768865711)
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