Bring back the title on all window previews in the Overview
For ease of identifying windows, especially those similar in appearance, we should show the window titles on all windows not just the hovered one.
E.g. Settings and Tweaks have very similar windows, having their labels both be visible (as in this edited-together screenshot) would make them readily identifiable at a glance. (Ignore the experimental shell stylesheet changes
Edited by Sam Hewitt