fix: replace hardcoded topic prefix for smartrest templates when creating bridge config #6600

Job	Run time
Block fixup commits	7s
Filter changes	2s
Check whether Cargo.lock is up to date	24s
Shellcheck	10s
Spell Check with Typos	8s
Run format checks	5m 29s
Run cargo clippy	1m 49s
Run cargo audit	18s
Run cargo test	11m 1s
Run cargo check on MSRV	1m 32s
Check for unused dependencies	6m 49s
Sort dependencies	1m 54s
nightly / doc	1m 41s
Check markdown	0s
	31m 24s

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