Mailspring: no kde tray icon

snap
1

screenshot5

After installing Mailspring, I get no icon in kde. Using centos7:

snap 2.39.2-1.el7
snapd 2.39.2-1.el7
series 16
centos 7
kernel 3.10.0-957.21.3.el7.x86_64

2

Anyone can help with this? :frowning: