Fix game.users for v12

module/misc.js

@@ -166,6 +166,9 @@ export class Misc {
   }
 
   static firstConnectedGM() {
+    if (typeof(game.users) == "object") {
+      return game.users.find(u => u.isGM && u.active);
+    }
     return game.users.sort(Misc.ascending(u => u.id)).find(u => u.isGM && u.active);
   }
   static connectedGMs() {