Fixed trailing whitespaces in navbar.rb

Author: Filip Hlavac

app/helpers/application_helper/navbar.rb

@@ -4,7 +4,7 @@ def menu_to_json(placement = :default)
       structure = []
       Menu::Manager.menu(placement) do |menu_section|
         next unless menu_section.visible?
-        
+
         structure << item_to_hash(menu_section)
       end
       structure