Mouse set left handed but reverts to right handed on reboot.
STEPS TO REPRODUCE
1. Set mouse to left handed.
Although settings state mouse is left handed, it reverts to right handed until reset back to left.
Sticks on left handed.
Linux/KDE Plasma: KDE Neon 5.14
(available in About System)
KDE Plasma Version: 5.14.4
KDE Frameworks Version: 5.53.0
Qt Version: 5.11.2
*** This bug has been marked as a duplicate of bug 395401 ***