title: DataTime with Slovenian Culture (sl-SI) has spaces
body: <p>I've prepared a small WPF app:</p>
  
  <p>View:</p>
  
  <p><a href="https://i.stack.imgur.com/y2l8s.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/y2l8s.png" alt="enter image description here"></a></p>
  
  <p>and the View-Model looks as following:</p>
  
  <p><a href="https://i.stack.imgur.com/fbMse.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fbMse.png" alt="enter image description here"></a></p>
  
  <p>And now, for some reason there are spaces between the Day, Month and year for the Slovenian culture:</p>
  
  <p><a href="https://i.stack.imgur.com/O7JrN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/O7JrN.png" alt="enter image description here"></a></p>
  
  <p>I mean that intead of getting 14.01.2019, I get 14. 01. 2019.</p>