add active? status to org for organization_ability

Author: kaptron

app/models/organization.rb

@@ -417,6 +417,10 @@ def most_used_template_ids(amount = 5)
             .map { |arr| arr[0].id }
   end
 
+  def active?
+    !deactivated?
+  end
+
   private
 
   def should_generate_new_friendly_id?