fix(HighLevelProducer): allow sending to partition 0
fix(HighLevelProducer): allow sending to partition 0

CharlesWall/kafka-node,subzero10/kafka-node,subzero10/kafka-node,tb01923/kafka-node,fengshao0907/kafka-node,authbox-lib/kafka-node,cabara/kafka-node,Applifier/kafka-node,SOHU-Co/kafka-node,ORBAT/kafka-node,SOHU-Co/kafka-node,hoppity/kafka-node,simonvetter/kafka-node,SOHU-Co/kafka-node,carlessistare/kafka-node