Left sidebar emphasis jumps after selection

[helgasoft]

In Chrome (desktop & mobile) v.129/130, I see a glitch in left sidebar.
Very often after click-selection the emphasis jumps to the item above.
In latest Firefox v.131.0.3 it jumps up even higher - like Heatmap to Line.

ex.move.mp4

This is a copy of a reply to related #20423