feat(home): add Adwaita GTK icon theme to fix missing icons in apps like inkscape

home/common.nix

@@ -41,6 +41,13 @@
     };
   };
 
+  gtk = {
+    enable = true;
+    iconTheme = {
+      package = pkgs.adwaita-icon-theme;
+      name = "Adwaita";
+    };
+  };
 
   nixpkgs.config.allowUnfree = true;