title: SwiftUI how to add gray line bar on sheet
body: <p>I know how to add this element with HStack and rectangle. But...</p>
  
  <p>1) How is it called?</p>
  
  <p>2) Does SwiftUI has this element in the box?</p>
  
  <p><a href="https://i.stack.imgur.com/Ox5NG.png" rel="noreferrer"><img src="https://i.stack.imgur.com/Ox5NG.png" alt="Unknown element"></a></p>