Currently when the gap is zero, windows below tabs are repositioned slightly downward. This causes the windows to exceed the bottom of the screen and results in a small gap between the window and tabs. This repositioning is unnecessary, so remove it.
Before and after—note the recovery of the bottom border of the window:
Currently when the gap is zero, windows below tabs are repositioned slightly downward. This causes the windows to exceed the bottom of the screen and results in a small gap between the window and tabs. This repositioning is unnecessary, so remove it.
Before and after—note the recovery of the bottom border of the window: