AO3-6913 Small optimisation

Author: Bilka2

app/models/admin_setting.rb

@@ -55,7 +55,7 @@ class << self
 
   # run hourly with the resque scheduler
   def self.check_queue
-    return unless self.invite_from_queue_enabled? && InviteRequest.count.positive? && Time.current >= self.invite_from_queue_at
+    return unless self.invite_from_queue_enabled? && InviteRequest.any? && Time.current >= self.invite_from_queue_at
 
     new_time = Time.current + self.invite_from_queue_frequency.hours
     self.first.update_attribute(:invite_from_queue_at, new_time)