Test failure in channels_test on SNP CI

[achamayou]

https://dev.azure.com/MSRC-CCF/CCF/_build/results?buildId=87021&view=logs&j=b6a3fffa-f95e-580b-9bcb-4ae7d4681578&t=7439823f-f6a2-5514-9be9-467f4c602fdd

26: Test command: /CCF/build/channels_test
26: Environment variables: 
26:  TSAN_OPTIONS=suppressions=/CCF/tsan_env_suppressions
26:  ASAN_OPTIONS=alloc_dealloc_mismatch=0
26: Test timeout computed to be: 10000000
26: libc++abi: terminating due to uncaught exception of type ccf::NodeToNode::DroppedMessageException: std::exception
26: [doctest] doctest version is "2.4.11"
26: [doctest] run with "--help" for options
26: ===============================================================================
26: ../src/node/test/channels.cpp:1407:
26: TEST CASE:  Key rotation
26: 
26: ../src/node/test/channels.cpp:1407: FATAL ERROR: test case CRASHED: SIGABRT - Abort (abnormal termination) signal
26: 
26: ===============================================================================
26: [doctest] test cases:  10 |   9 passed | 1 failed | 1 skipped
26: [doctest] assertions: 984 | 984 passed | 0 failed |
26: [doctest] Status: FAILURE

[maxtropets]

Previously fixed up in #5853

[achamayou]

@maxtropets different issue this time.