frontend: reformat code around mpv.scriptOpts

nix/nixos-modules/frontend/home.nix

@@ -196,21 +196,18 @@ in
         sponsorblock
         thumbfast
       ];
-      scriptOpts = {
+      scriptOpts =
+        {
           modernx = {
             # order by README (https://github.com/zydezu/ModernX#configurable-options)
-
             # general
             welcomescreen = true;
-
             # interface
             persistentprogress = true;
-
             # button
             timetotal = false;
             downloadbutton = false;
             showyoutubecomments = false;
-
           };
         };
     };