Fixed bridges zombienet tests because of removed NetworkId::Rococo/Westend from xcm::v5 #5857

Job	Run time
preflight / preflight	45s
preflight / ci-versions	1m 17s
test-full-crypto-feature	2m 50s
cargo-check-benches (master)	21m 30s
cargo-check-benches (current)	20m 58s
cargo-check-each-crate (1)	18m 52s
test-frame-ui	46m 46s
cargo-check-each-crate (2)	19m 35s
test-node-metrics	8m 31s
cargo-check-each-crate (3)	9m 36s
cargo-check-each-crate (4)	17m 26s
cargo-check-each-crate (5)	24m 12s
cargo-check-all-crate-macos	12m 3s
cargo-check-each-crate (6)	15m 10s
cargo-check-each-crate (7)	28m 2s
test-frame-examples-compile-to-wasm	3m 13s
test-deterministic-wasm	6m 24s
check-tracing	2m 47s
check-metadata-hash	6m 21s
node-bench-regression-guard	15s
All test misc tests passed	1s
	4h 26m 34s

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