Installing gnome-settings-daemon does not help. The presence of this package does not affect the bug's occurrence:
$ sudo apt install gnome-settings-daemon
[sudo] password for wiktor:
Reading package lists... Done
Building dependency tree
Reading state information... Done
gnome-settings-daemon is already the newest version (3.18.2-0ubuntu3).
gnome-settings-daemon set to manually installed.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Installing gnome-settings- daemon does not help. The presence of this package does not affect the bug's occurrence:
$ sudo apt install gnome-settings- daemon daemon is already the newest version (3.18.2-0ubuntu3). daemon set to manually installed.
[sudo] password for wiktor:
Reading package lists... Done
Building dependency tree
Reading state information... Done
gnome-settings-
gnome-settings-
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.