CI Failure (key symptom) in `StreamVerifierTest.test_simple_produce_consume_txn_with_add_node`

[vbotbuildovich]

https://buildkite.com/redpanda/vtools/builds/15926

Module: rptest.transactions.stream_verifier_test
Class: StreamVerifierTest
Method: test_simple_produce_consume_txn_with_add_node

test_id:    StreamVerifierTest.test_simple_produce_consume_txn_with_add_node
status:     FAIL
run time:   141.492 seconds

AssertionError('Produced/Atomic message count mismatch: 25000/5701')
Traceback (most recent call last):
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 184, in _do_run
    data = self.run_test()
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 276, in run_test
    return self.test_context.function(self.test)
  File "/home/ubuntu/redpanda/tests/rptest/services/cluster.py", line 105, in wrapped
    r = f(self, *args, **kwargs)
  File "/home/ubuntu/redpanda/tests/rptest/transactions/stream_verifier_test.py", line 171, in test_simple_produce_consume_txn_with_add_node
    self.verify()
  File "/home/ubuntu/redpanda/tests/rptest/transactions/stream_verifier_test.py", line 113, in verify
    assert produced_count == atomic_count, \
AssertionError: Produced/Atomic message count mismatch: 25000/5701

JIRA Link: CORE-5772

[vbotbuildovich]

*https://buildkite.com/redpanda/redpanda/builds/52002