Fix restore/clenaup api tasks; fix bug send_binary msg #327

Job	Run time
test-api	3m 38s
build-agent (aarch64-unknown-linux-gnu)	5m 57s
build-agent (x86_64-unknown-linux-gnu)	6m 55s
build-agent (armv7-unknown-linux-gnueabihf)	5m 57s
build-auth	5m 2s
build-api	5m 10s
collect-binaries	8s
	32m 47s

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