[CLI] fix sui keytool zk-login-sign-and-execute-tx command, should …

…set the default value of `--test-multisig` to `false`, because it cannot be set to `false` in the command line. So current the generated zkLogin addresses will always be multisig address, and it is not possible to be single-sig address anymore

crates/sui/src/keytool.rs

@@ -233,7 +233,7 @@ pub enum KeyToolCommand {
         network: String,
         #[clap(long, default_value = "true")]
         fixed: bool, // if true, use a fixed kp generated from [0; 32] seed.
-        #[clap(long, default_value = "true")]
+        #[clap(long, default_value = "false")]
         test_multisig: bool, // if true, use a multisig address with zklogin and a traditional kp.
         #[clap(long, default_value = "false")]
         sign_with_sk: bool, // if true, execute tx with the traditional sig (in the multisig), otherwise with the zklogin sig.