Set the region info from updated backend API

frontend/src/pages/guest/SigninWithEmailAndCode.vue

@@ -5,13 +5,8 @@
         <div class="form-group">
           <div class="input-group-container">
             <div class="form-floating">
-              <input
-                class="input-email"
-                id="inputCode"
-                type="text"
-                :placeholder="'Code sent to your email'"
-                v-model="code"
-              />
+              <input class="input-email" id="inputCode" type="text" :placeholder="'Code sent to your email'"
+                v-model="code" />
               <label for="inputCode">Authenticaion Code Sent To Your Email</label>
             </div>
             <button type="submit" class="btn-start">SIGN IN</button>
@@ -38,13 +33,14 @@ export default {
   data() {
     return {
       code: null,
-      message: null
+      message: null,
+      preferred_region: null
     }
   },
 
   components: {},
 
-  created() {},
+  created() { },
   mounted() {
     if (this.mnx_IsKeepUserSignedIn() && this.mnx_isUserAuthenticated()) {
       this.mnx_navAfterSignedin()
@@ -65,6 +61,7 @@ export default {
       UserAuthApi.signinWithEmailAndCode(this.email, this.code, window.location.host)
         .then((response) => {
           let signinAction = response.data.signin_result
+          this.preferred_region = response.data.preferred_region
           switch (signinAction) {
             case signinActionEnum.VERIFY_EMAIL_WITH_AUTH_CODE:
               this.message = 'Invalid auth code'
@@ -103,5 +100,4 @@ export default {
 // .btn-start {
 //   @extend .proceed-button;
 //   @extend .ms-1;
-// }
-</style>
+// }</style>