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

spec/lib/redis/config_spec.rb

@@ -20,14 +20,6 @@ describe ::Redis::Config do
       expect(app_config[:url]).to eq(redis_url)
       expect(app_config[:password]).to eq(redis_pasword)
     end
-
-    it 'checks for sidekiq redis config' do
-      sidekiq_config = described_class.sidekiq
-      expect(sidekiq_config.keys).to match_array([:url, :password, :size, :network_timeout, :reconnect_attempts])
-      expect(sidekiq_config[:url]).to eq redis_url
-      expect(sidekiq_config[:password]).to eq redis_pasword
-      expect(sidekiq_config[:size]).to eq described_class::SIDEKIQ_SIZE
-    end
   end
 
   context 'when redis sentinel is used' do
@@ -58,10 +50,5 @@ describe ::Redis::Config do
       expect(described_class.app[:url]).to eq("redis://#{redis_master_name}")
       expect(described_class.app[:sentinels]).to match_array(expected_sentinels)
     end
-
-    it 'checks for sidekiq redis config' do
-      expect(described_class.sidekiq.keys).to match_array([:url, :password, :sentinels, :size, :network_timeout, :reconnect_attempts])
-      expect(described_class.sidekiq[:size]).to eq described_class::SIDEKIQ_SIZE
-    end
   end
 end