title: JavaFX search textfield
body: <p>In the JavaFX Scene Builder there is a text field to search in the library: </p>
  
  <p><img src="https://i.stack.imgur.com/Pwu5d.png" alt="enter image description here"></p>
  
  <p>Is this a default control (if so I can't find it) or did they simply style a text field?<br>
  I tried looking in the source code of the Scene Builder as well, but could not find it.</p>