Fix single Redis connection being used across all threads (#18135)

* Fix single Redis connection being used across all Sidekiq threads

* Fix tests

app/lib/access_token_extension.rb

@@ -4,6 +4,8 @@ module AccessTokenExtension
   extend ActiveSupport::Concern
 
   included do
+    include Redisable
+
     after_commit :push_to_streaming_api
   end
 
@@ -16,6 +18,6 @@ module AccessTokenExtension
   end
 
   def push_to_streaming_api
-    Redis.current.publish("timeline:access_token:#{id}", Oj.dump(event: :kill)) if revoked? || destroyed?
+    redis.publish("timeline:access_token:#{id}", Oj.dump(event: :kill)) if revoked? || destroyed?
   end
 end