suggestion popover rows do not quite match entry icon positioning
The icon/text do not align with the same logical items in the url entry. This should get you closer for Adwaita.
dzlsuggestionpopover > revealer > box > elastic > scrolledwindow > viewport > list > row > box {
margin-left: 4px;
}
dzlsuggestionpopover > revealer > box > elastic > scrolledwindow > viewport > list > row > box .title {
margin-left: 6px;
}