Improve remote externalities logging #8963

Job	Run time
preflight / preflight	43s
preflight / ci-versions	59s
test-frame-ui	22m 58s
cargo-check-each-crate (1)	16m 4s
test-full-crypto-feature	2m 29s
cargo-check-each-crate (2)	17m 35s
cargo-check-benches (master)	20m 55s
cargo-check-each-crate (3)	6m 37s
cargo-check-benches (current)	22m 54s
test-node-metrics	8m 8s
cargo-check-each-crate (4)	14m 50s
cargo-check-each-crate (5)	21m 48s
cargo-check-all-crate-macos	11m 28s
cargo-check-each-crate (6)	13m 10s
cargo-check-each-crate (7)	22m 50s
test-frame-examples-compile-to-wasm	2m 56s
test-deterministic-wasm	6m 10s
check-tracing	2m 15s
check-metadata-hash	5m 55s
node-bench-regression-guard	1s
All test misc tests passed	1s
	3h 40m 46s

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