KafkaSinglePortExactlyOnceOutputOperator going to the blocked state during recovery

Steps to reproduce the issue:
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• Created the Kafka topic with single partition.
• Created the application with the following DAG:
  BatchSequenceGenerator -> KafkaSinglePortExactlyOnceOutputOperator

1. of partitions of KafkaSinglePortExactlyOnceOutputOperator = 2. Let's say KO1, KO2 are the two instances.

• Launched the app, after some time, manually killed the one of the instance of "KafkaSinglePortExactlyOnceOutputOperator" operator(KO2).
• During recovery, the instance comes up and after some time, it goes to the blocked state. App master killed this instance.

Observation:
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• There is an infinite while loop in rebuildPartialWindow() method.
• While loop will break on the below 2 conditions:
  a) # of trails for "polled records from Kafka is empty" = 10
  b) Crossed boundary (consumerRecord.offset() >= currentOffset)

In this scenario, KO1 keeps on writing the data to Kafka. So, the first condition will not satisfy.
Operator is not checking the 2nd condition because of the below continue statement:
if (!doesKeyBelongsToThisInstance(operatorId, consumerRecord.key()))

Solution: First check the cross boundary condition and then check the doesKeyBelongsToThisInstance(..).