libkookie: fix iosevka font variants

infra/libkookie/overlays/patches/iosevka/default.nix

@@ -29,20 +29,20 @@ iosevka.override {
       
       one = "line";
       two = "straight-neck";
-      three = "flattop";
+      three = "flat-top";
       four = "open";
       six = "open-contour";
       seven = "straight-serifless";
       eight = "two-circles";
       nine = "open-contour";
       
+      tilde = "low";
       asterisk = "hex-low";
+      number-sign = "upright";
       at = "short";
       dollar = "open";
-      number-sign = "upright";
-      question = "corner-flat-hooked";
       percent = "dots";
-      tilde = "low";
+      question = "corner-flat-hooked";
     };
   };
   set = "kookiefonts";