chore: Add assigned option to conversation finder API (#2630)

- Adds the ability to filter all the conversations which are assigned
- Add rack timeout gem
- Remove size attribute from Sidekiq config

config/initializers/sidekiq.rb

@@ -3,11 +3,11 @@ require Rails.root.join('lib/redis/config')
 schedule_file = 'config/schedule.yml'
 
 Sidekiq.configure_client do |config|
-  config.redis = Redis::Config.sidekiq
+  config.redis = Redis::Config.app
 end
 
 Sidekiq.configure_server do |config|
-  config.redis = Redis::Config.sidekiq
+  config.redis = Redis::Config.app
 end
 
 # https://github.com/ondrejbartas/sidekiq-cron

config/schedule.yml

@@ -11,4 +11,5 @@ internal_check_new_versions_job:
 internal_check_new_versions_job:
   cron: "*/5 * * * *"
   class: "TriggerScheduledItemsJob"
-  queue: scheduled_jobs
+  queue: scheduled_jobs
+