Vuetify: [Bug Report] Wrong positioning of VTextField and VMenu in VToolbarItems

[Shinigami92]

Environment

Vuetify Version: 2.0.15
Vue Version: 2.6.10
Browsers: Chrome 76.0.3809.132
OS: Mac OS 10.14.6

Steps to reproduce

<div id="app">
  <v-app>
    <v-content>
      <v-container>
        <v-toolbar flat="flat">
          <v-toolbar-title>Title</v-toolbar-title>
          <div class="flex-grow-1"></div>
          <v-toolbar-items>
            <v-text-field
              v-model="search"
              prepend-inner-icon="search"
              label="Search"
              hide-details="hide-details"
              single-line="single-line"
            >
            </v-text-field>
            <v-menu bottom="bottom" left="left">
              <template v-slot:activator="{ on }">
                <v-btn v-on="on" icon="icon"><v-icon>more_vert</v-icon></v-btn>
              </template>
              <v-list>
                <v-list-item @click="download()">
                  <v-list-item-icon>
                    <v-icon>file_download</v-icon>
                  </v-list-item-icon>
                  <v-list-item-title>
                    <v-list-item-content>Download</v-list-item-content>
                  </v-list-item-title>
                </v-list-item>
                <v-list-item @click="upload()">
                  <v-list-item-icon>
                    <v-icon>file_upload</v-icon>
                  </v-list-item-icon>
                  <v-list-item-title>
                    <v-list-item-content>Upload</v-list-item-content>
                  </v-list-item-title>
                </v-list-item>
              </v-list>
            </v-menu>
          </v-toolbar-items>
        </v-toolbar>
      </v-container>
    </v-content>
  </v-app>
</div>

Expected Behavior

VTextField and VMenu should be aligned correctly

Actual Behavior

Reproduction Link

https://codepen.io/shinigami92/pen/NWKYopV?editors=1010

[sh7dm]

@Shinigami92 you can create a Codepen account easily or log in with GitHub or Google.

You've submitted an issue that does not contain a reproduction. In order to effectively disposition this, we need to verify that the problem exists outside of your environment. This issue will be tagged as needs reproduction for the next 14 days before being closed.

You can find information on how to contribute to vuetify here.

Services to create a reproduction:

• Codepen
• Codepen w/Router
• Codesandbox
• JSFiddle
• A small reproduction repository

Thank you for your contribution and interest in improving Vuetify.

[Shinigami92]

Thank you
Didn't know that I could sign in with GitHub 👍

https://codepen.io/shinigami92/pen/NWKYopV?editors=1010

[sh7dm]

Updated the codepen, VMenu isn't a cause of the problem:
https://codepen.io/sh7dm/pen/RwbMvLY

[Shinigami92]

🤔 ... mh so when I dont use VToolbarItems it is _working_ well ...
https://codepen.io/shinigami92/pen/ExYErdw?editors=1010

[Shinigami92]

So is that really a bug? Or is there a lack of documentation?