[fix] Fix an issue where zero queue consumers are unable to receive messages after topic unloading #895

Job	Run time
Formatting Check	1m 56s
Formatting Check	1m 56s
Build the Wireshark dissector (ubuntu-20.04)	41s
Build the Wireshark dissector (ubuntu-20.04)	41s
Build with the C++20 standard	6m 58s
Build with the C++20 standard	6m 58s
Run unit tests	17m 11s
Run unit tests	17m 58s
Build CPP Client on macOS with static dependencies	5m 57s
Build CPP Client on macOS with static dependencies	5m 57s
Build CPP Client on ${{ matrix.name }}	0s
Build ${{ matrix.pkg.name }} ${{ matrix.cpu.platform }}	0s
Check Completion	0s
Check Completion	1s
Build RPM x86_64	10m 21s
Build CPP Client on Windows x64	31m 44s
Build CPP Client on Windows x86	31m 12s
Build Deb x86_64	10m 52s
Build Alpine x86_64	10m 57s
	2h 41m 20s

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