fix: device.id is derived from device certificate if certificate exists #7332

Job	Run time
Block fixup commits	6s
Check whether Cargo.lock is up to date	21s
Filter changes	2s
Shellcheck	7s
Spell Check with Typos	5s
Run format checks	5m 23s
Run cargo test	8m 15s
Run cargo clippy	47s
Run cargo check on MSRV	34s
Run cargo audit	23s
Sort dependencies	2m 11s
nightly / doc	42s
Check for unused dependencies	9m 11s
Check markdown	0s
	28m 7s

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