0173a6646f
Increase the app icon dropshadow to separate the icon from the window thumbnail. The shadow change is global, but due to perfomance implications, the icon-dropshadow class is only used on the thumbnail view. Fixes https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/3670 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1656>