fix: refactor three-dot icon positioning
Simplify the svg of the three-dot icon, make it symmetric in 20x20px, make it better centred in the checklist context menu.
Visual changes
Merge deadline
None
Testing instructions
- Check hover circle in dropdown toggle in "Lists"
- Check hover circle in dropdown toggle in "Reports"
- Check that no other components use three-dot-menu.svg or .circle-active
Edited by Artur Gaspar