reload the page when read_only mode is disabled

lib/backup_restore.rb

@@ -149,9 +149,13 @@ module BackupRestore
   end
 
   def self.after_fork
+    # reconnect to redis
     $redis.client.reconnect
+    # reconnect the rails cache (uses redis)
     Rails.cache.reconnect
+    # tells the message we've forked
     MessageBus.after_fork
+    # /!\ HACK /!\ force sidekiq to create a new connection to redis
     Sidekiq.instance_variable_set(:@redis, nil)
   end