title: Why SearchBar color changed while editing?
body: <p>I have UISearchBar, i setted correctly desired color on it. 
  <strong>Like in below picture</strong>:</p>
  
  <p><a href="https://i.stack.imgur.com/frpa2.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/frpa2.png" alt="enter image description here"></a></p>
  
  <p>When i start to writing on searchBar(while start editing) searchBar color changed. 
  <strong>Like in below picture</strong>:</p>
  
  <p><a href="https://i.stack.imgur.com/JlaUi.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JlaUi.png" alt="enter image description here"></a></p>
  
  <p><strong><em>I want to searchBar color do not change when start writing on searchBar.
  How can i ensure that?</em></strong></p>