Do not disconnect dashboard_client on read timeout #791

Job	Run time
prerelease_test (noetic, focal)	21s
prerelease_test (melodic, bionic)	19s
prerelease_test (jazzy, noble)	13s
prerelease_test (humble, jammy)	18s
prerelease_test (rolling, noble)	15s
prerelease_test (iron, jammy)	13s
	1m 39s

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