fix(callisto): deploy electronPageSizeFix for vesktop

Author: youwen5

reference/hosts/callisto/configuration.nix

@@ -42,7 +42,13 @@
 
   nixpkgs.overlays = [
     inputs.apple-silicon.overlays.apple-silicon-overlay
-    inputs.vesktop-bin.overlays.default
+    (final: prev: {
+      vesktop = (
+        inputs.vesktop-bin.packages.${pkgs.system}.default.override {
+          electronPageSizeFix = true;
+        }
+      );
+    })
   ];
 
   services.udev.extraRules = ''