Minor fixes +v9 support

modules/pegasus-main.js

@@ -94,6 +94,12 @@ Hooks.once("ready", function () {
       user: game.user._id
     });
   }
+  
+  // CSS patch for v9
+  if (game.version) {
+    let sidebar = document.getElementById("sidebar");
+    sidebar.style.width = "min-content";
+  }
 
   welcomeMessage();
 });