Avoid calling serializeSingleMessageInBatchWithPayload each time a message is added #571

Job	Run time
Build with the C++20 standard	10m 6s
Build the Wireshark dissector (ubuntu-20.04)	56s
Build the Wireshark dissector (macos-12)	1m 18s
Run unit tests	12m 13s
Build CPP Client on Windows x64	33m 45s
Build CPP Client on Windows x86	30m 3s
Build CPP Client on macOS	8m 55s
Build RPM x86_64	18m 11s
Build Deb x86_64	18m 44s
Build Alpine x86_64	15m 10s
Check Completion	0s
	2h 29m 21s

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