refactor: update theming utilties to use new 26.05 config format

modules/home/cli/media/yazi/default.nix

@@ -29,6 +29,7 @@ in {
 
     programs.yazi = {
       enable = true;
+      shellWrapperName = "yy";
 
       settings = {
         log = enabled;

modules/home/desktop/env/eww/default.nix

@@ -28,9 +28,9 @@ in {
       };
     };
 
-    programs.eww = {
-      enable = true;
-      configDir = ./config;
+    xdg.configFile."eww" = {
+      source = ./config;
+      recursive = true;
     };
   };
 }

modules/home/desktop/env/gtk/default.nix

@@ -31,8 +31,11 @@ in {
         gtk-application-prefer-dark-theme = 1;
       };
 
-      gtk4.extraConfig = {
-        gtk-application-prefer-dark-theme = 1;
+      gtk4 = {
+        theme = null;
+        extraConfig = {
+          gtk-application-prefer-dark-theme = 1;
+        };
       };
     };
   };