fix(VNavigationDrawer): always bind mouseover events

[johnleider]

Description

Updated v-navigation-drawer to use its real width for application layout calculations. As a consequence to this change, a bug with expand-on-hover and listeners was resolved.

Motivation and Context

fixes #13309

How Has This Been Tested?

visually

Markup:

<template>
  <div>
    <v-navigation-drawer
      v-model="drawer"
      :mini-variant="mini"
      :expand-on-hover="mini"
      app
    >
      <v-list-item class="px-2">
        <v-list-item-avatar>
          <v-img src="https://randomuser.me/api/portraits/men/85.jpg"></v-img>
        </v-list-item-avatar>

        <v-list-item-title>John Leider</v-list-item-title>

        <v-btn
          icon
          @click="mini = !mini"
        >
          <v-icon v-show="mini">mdi-plus</v-icon>
          <v-icon v-show="!mini">mdi-minus</v-icon>
        </v-btn>
      </v-list-item>
    </v-navigation-drawer>
    <v-main app>
      <div class="pa-8">
        <p>Content</p>
        <v-switch
          v-model="mini"
          label="Is Mini"
        />
      </div>
    </v-main>
  </div>
</template>

<script>
  export default {
    data () {
      return {
        drawer: true,
        items: [
          { title: 'Home', icon: 'mdi-home-city' },
          { title: 'My Account', icon: 'mdi-account' },
          { title: 'Users', icon: 'mdi-account-group-outline' },
        ],
        mini: true,
      }
    },

  }
</script>

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Improvement/refactoring (non-breaking change that doesn't add any features but makes things better)

Checklist:

• The PR title is no longer than 64 characters.
• The PR is submitted to the correct branch (master for bug fixes and documentation updates, dev for new features and backwards compatible changes and next for non-backwards compatible changes).
• My code follows the code style of this project.
• I've added relevant changes to the documentation (applies to new features and breaking changes in core library)

[hadalin]

Is it possible that these two lines should be added only if (this.expandOnHover), like it was before?