waybar: Increase padding between workspace buttons

There was actually an issue where waybar was using larger padding than
usual, which was fixed by setting the gsettings in our sway config. I
liked the padding changes introduced by the other theme, however, so
this change makes it permanent.

waybar/.config/waybar/style.css

@@ -12,13 +12,13 @@ window#waybar {
 }
 
 #workspaces button {
-    padding: 0 5px;
+    padding: 0 20px;
     background: transparent;
     color: white;
 }
 
 #workspaces button.focused {
-    padding: 0 5px;
+    padding: 0 20px;
     background: #64727D;
     background: @color8;
 }