Fix wrong indentation in resource file for icons

9 jobs for master in 83 minutes (queued for 51 minutes and 37 seconds)
Status Job ID Name Coverage
  Test
passed #38214
clazy

00:01:16

passed #38215
qmllint

00:00:27

 
  Build
passed #38218
archlinux

00:01:17

passed #38217
debian-sid

00:01:22

passed #38216
neon-bionic

00:01:49

 
  Deploy
passed #38221
android

00:38:35

passed #38219
linux-appimage

00:20:28

passed #38222
mac-osxcross

00:07:21

passed #38220
windows-mxe

00:10:21