fix(VMenu): don't close when press enter

[rajithaeyee]

fixes #19361

Description

This PR addresses issue #19361 by the VMenu closing when the Enter key is pressed. Previously, when navigate through the arrow keys and pressing Enter wouldn't close the menu, causing inconvenience for users. This change ensures that the menu closes when Enter is pressed, improving the user experience. Issue can be found here

Markup:

<template>
  <v-app>
    <v-container>
      <v-menu>
      <template #activator="{ props }">
        <v-btn v-bind="props">Open Menu</v-btn>
      </template>
      <v-list>
        <v-list-item @click="{}">1</v-list-item>
        <v-list-item @click="{}">2</v-list-item>
      </v-list>
    </v-menu>
    </v-container>
  </v-app>
</template>

<script>
  export default {
    name: 'Playground',
    setup () {
      return {
        //
      }
    },
  }
</script>