title: Ctrl + backspace not working in JetBrains Rider
body: <p>I want to use <code>Ctrl+Backspace</code> to delete a word in <code>Jetbrains Rider</code>, my keymap setting is <code>visual studio keymap</code>.
  But It works well in <code>Visual Studio 2019</code>.
  It has been bothering me for a long time.</p>
  <p><a href="https://i.stack.imgur.com/iswEv.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iswEv.gif" alt=" Ctrl+Backspace not working when the code tip window showing," /></a></p>
  <p><a href="https://i.stack.imgur.com/eu6z9.gif" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/eu6z9.gif" alt="But It works well in visual studio" /></a></p>