Wallet recovery phrase security fixes (#2276)

* prompt for recovery phrase using linefeed crate functionality
* break out recovery parse function, remove phrase from logging

wallet/src/command.rs

@@ -87,11 +87,7 @@ pub fn recover(config: &WalletConfig, args: RecoverArgs) -> Result<(), Error> {
 			&args.passphrase,
 		);
 		if let Err(e) = res {
-			error!(
-				"Error recovering seed with list '{}' - {}",
-				&args.recovery_phrase.as_ref().unwrap(),
-				e
-			);
+			error!("Error recovering seed - {}", e);
 			return Err(e);
 		}
 	}

wallet/src/libwallet/internal/updater.rs

@@ -49,13 +49,7 @@ where
 	// just read the wallet here, no need for a write lock
 	let mut outputs = wallet
 		.iter()
-		.filter(|out| {
-			if show_spent {
-				true
-			} else {
-				out.status != OutputStatus::Spent
-			}
-		})
+		.filter(|out| show_spent || out.status != OutputStatus::Spent)
 		.collect::<Vec<_>>();
 
 	// only include outputs with a given tx_id if provided