title: Prevent selectInput from wrapping text
body: <p>In a shiny app, is there a way to prevent the text of the dropdown in <code>selectInput()</code> from wrapping, as in the screenshot below? Each option is a long text string. I'd like the dropdown to show each long string on one line, without making a huge sidebar.</p>
  
  <p><a href="https://i.stack.imgur.com/Z2Kpt.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Z2Kpt.png" alt="enter image description here"></a></p>