Switching to Bitcoin Testnet as Signet does not appear to work with Electrum atm

side-node/src/keys/bitcoin.rs

@@ -45,7 +45,7 @@ pub fn create_wallet(mnemonic_words: String) -> anyhow::Result<Wallet<MemoryData
     let wallet = Wallet::new(
         Bip84(xprv, KeychainKind::External),
         Some(Bip84(xprv, KeychainKind::Internal)),
-        Network::Signet,
+        Network::Testnet,
         MemoryDatabase::default(),
     )?;