Thunderbird favorite entry changes its order after upgrading

It seems only Thunderbird icon, pinned to Kickoff favorite view, changes its order to last one after any upgrade that includes a new version of Thunderbird.

Operating System: Manjaro Linux 
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.113.0
Qt Version: 5.15.11
Kernel Version: 6.6.7-4-MANJARO (64-bit)
Graphics Platform: Wayland