set height upon adding names

BinaryDad.Coding/wwwroot/js/hub.js

@@ -89,6 +89,9 @@
             .map(u => `<span style='color: ${u.color};'>${u.name}</span>`);
 
         $usersList.html(`<strong>${usersList.length} users online:</strong> ${usersList.join(', ')}`);
+
+        // set the height in case we have more than one row
+        setHeight();
     });
 
     connection.start().then(function () {