zcash_client_backend: Ensure we have a test that a UTXO with an address that doesn't match the wallet is rejected

[str4d]

#1576 removed a test of WalletWrite::put_received_transparent_utxo because it had zcash_client_sqlite-specific details. It should be replaced by the equivalent test that we get an error if putting a UTXO with an address that isn't in the wallet (which can be done by crafting such a UTXO in the test).