Fix double login

plugins/core/ui/src/App.vue

@@ -147,7 +147,7 @@
       persistent
       max-width="600px"
     >
-      <v-form @submit="doLogin">
+      <v-form @submit.prevent="doLogin">
         <v-card dark color="purple">
           <v-card-title>
             <span class="headline">Scrypted Management Console</span>
@@ -194,7 +194,7 @@
           </v-card-text>
           <v-card-actions>
             <v-spacer></v-spacer>
-            <v-btn type="submit" text @click="doLogin">Log In</v-btn>
+            <v-btn type="submit" text @click.prevent="doLogin">Log In</v-btn>
           </v-card-actions>
         </v-card>
       </v-form>