title: vscode + vim: commenting line doesn't move cursor down
body: <p>How to make Visual Studio Code move my cursor one line down, after commenting current line with <code>ctrl + /</code> shortcut? I tried (in user settings):</p>
  <pre class="lang-json prettyprint-override"><code>&quot;vim.normalModeKeyBindings&quot;: [
      {
          &quot;before&quot;: [&quot;&lt;C+/&gt;&quot;],
          &quot;after&quot;: [&quot;&lt;C+/&gt;&quot;, &quot;j&quot;]
      }
  ]
  </code></pre>
  <p>but it doesn't work.</p>
  <p>Using Linux Manjaro + vscode 1.27.2</p>