Fixed issue with FA icon in ApplicationHelper

• Fixed:
- issue with FA icon in ApplicationHelper

app/helpers/application_helper.rb

@@ -49,10 +49,10 @@ module ApplicationHelper
     policy(record).public_send("#{action}?")
   end
 
-  def fa_icon(icon, attributes = {})
+  def fa_icon(icon="", attributes = {})
     class_names = attributes[:class]&.split(' ') || []
     class_names << 'fa'
-    # class_names += icon.split(' ').map { |cl| "fa-#{cl}" }
+    class_names += "#{icon}".split(' ').map { |cl| "fa-#{cl}" }
 
     content_tag(:i, nil, attributes.merge(class: class_names.join(' ')))
   end