fix(auth) fix v1 login

fix v1 method login

src/app/account/auth/auth.modal.ts

@@ -78,12 +78,12 @@ export class AuthModal implements OnInit, AuthModalOptions {
 
     try {
       data = data || this.form.value;
-      data.v2.mnemonic = data.v2.mnemonic.trim();
 
       // Disable the form
       this.form.disable();
 
       if (this.loginMethod === 'v2') {
+        data.v2.mnemonic = data.v2.mnemonic.trim();
         if (data.v2.mnemonic.includes('//')) {
           const account = await this.accountService.addAccount(data);
           return this.modalCtrl.dismiss(account, <AuthModalRole>'VALIDATE');