Rust

[nexus] handle sled-agent errors as described in RFD 486 #37391

Job	Run time
build-docs	8m 5s
check-features	10m 55s
check-omicron-deployment (ubuntu-22.04)	8m 13s
check-style	17s
check-omicron-deployment (macos-14)	7m 38s
clippy-lint	10m 29s
	45m 37s

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