title: Import sql dump using phppgadmin
body: <p>I have phppgadmin version 5.0.4, 
  When I click button <code>SQL</code>  (in top-right of phppgadmin ) I must obtain window for importing sql dumps right? but in this window is only input text field for pasting sql file content</p>
  
  <p>Question: where is button <code>choose file</code> for importing sql dumps in phppgadmin?</p>