Fix `tcp_socket::type()` race (#4775) #2386

Job	Run time
macOS [UBSAN] [lmdb \| clang]	38m 19s
Linux [UBSAN] [lmdb \| clang]	41m 1s
macOS [ASAN] [lmdb \| clang]	27m 40s
Linux [ASAN] [lmdb \| clang]	43m 24s
macOS [TSAN] [lmdb \| clang]	23m 23s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	43m 52s
macOS [UBSAN] [rocksdb \| clang]	46m 3s
Linux [TSAN] [lmdb \| clang]	42m 36s
macOS [ASAN] [rocksdb \| clang]	43m 29s
Linux [LEAK] [lmdb \| clang]	42m 53s
macOS [TSAN] [rocksdb \| clang]	55m 16s
Linux [UBSAN] [rocksdb \| clang]	54m 49s
Linux [ASAN] [rocksdb \| clang]	57m 13s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	58m 27s
Linux [LEAK] [rocksdb \| clang]	56m 2s
	11h 14m 27s

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