title: Dropdown selected option is not showing in unity UI
body: <p>I have dropdown of Unity UI and it has one option. Its first option is selected but i dont why its selected option is not showing. </p>
  
  <p><a href="https://i.stack.imgur.com/cri5U.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cri5U.png" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/JcFvW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JcFvW.png" alt="enter image description here"></a></p>