RosterListItem: Only show tooltips on desktop

8 jobs from master in 10 minutes and 22 seconds (queued for 22 seconds)
latest
Status Job ID Name Coverage
  Test
passed #2282
clazy

00:00:42

passed #2283
qmllint

00:00:28

 
  Build
passed #2287
archlinux

00:01:11

passed #2286
debian-sid

00:01:23

passed #2285
neon-bionic

00:00:48

passed #2284
ubuntu-trusty

00:01:23

 
  Deploy
passed #2289
click-xenial

00:02:10

passed #2288
linux-appimage

00:02:14