fix(chain): Use network kind of `TestnetKind` in transparent addresses on Regtest #2354

Job	Run time
Generate crates matrix	9s
Check crates matrix	3s
Build zebrad crate	33m 36s
Build zebra-utils crate	15m 52s
Build zebra-test crate	2m 31s
Build zebra-state crate	21m 25s
Build zebra-script crate	3m 42s
Build zebra-scan crate	22m 58s
Build zebra-rpc crate	31m 29s
Build zebra-node-services crate	3m 49s
Build zebra-network crate	6m 29s
Build zebra-grpc crate	13m 30s
Build zebra-consensus crate	16m 24s
Build zebra-chain crate	4m 36s
Build tower-fallback crate	1m 2s
Build tower-batch-control crate	1m 18s
Open or update issues for building crates individually failures	0s
	2h 58m 53s

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