Object Selection tabs do not properly connect to content background #3508
Description
Describe the bug
The tabs in the Object Selection window are drawn one pixel too high?
OpenLoco v25.11 screenshot:
Expected behaviour
There should not be a line at the bottom of the selected tab, and the line at the bottom of the non-selected tabs should be flush with the light gray area of the window (i.e. see zoomed screenshot of original game bellow).
Original (Steam) screenshot:
