[BUG]: Highlight icon in dock clips with border

[AndreaRicchi]

When hovering the mouse over dock icons, the highlight appears as a square and gets clipped by the dock's rounded border.

Installed extensions:

❯ gext list                          
🔵 Desktop Icons NG (DING) (ding@rastersoft.com)  /system
🔵 Open Bar (openbar@neuromorph) v44 /user
🔵 Ubuntu Tiling Assistant (tiling-assistant@ubuntu.com) v46 /system
🔵 Ubuntu Dock (ubuntu-dock@ubuntu.com) v90 /system

Screenshots