Fix/guard connection state #631

Job	Run time
Build (docker-linux-arm64)	25m 27s
Build (linux-x64)	20m 40s
Pin Check / Pin Check	12s
clang-tidy	10m 25s
Build (windows-x64)	34m 19s
Build (linux-arm64)	16m 45s
clang-format	21s
License Check / License Check	5s
Build (macos-arm64)	9m 5s
Build (macos-x64)	33m 54s
Build (docker-linux-x64)	34m 32s
Build (cpp-example-collection-linux-arm64)	8m 51s
Build (cpp-example-collection-x64)	6m 39s
	3h 21m 15s

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