title: VSCode showing only one file in the tab bar (can't open multiple files)
body: <p>I hit some shortcut and I can't find the setting the turn it off. But opening multiple files doesn't show different tabs.</p>
  
  <p>Here's what I'm seeing</p>
  
  <p><a href="https://i.stack.imgur.com/7aLOc.png" rel="noreferrer"><img src="https://i.stack.imgur.com/7aLOc.png" alt="enter image description here"></a></p>
  
  <p>But this is what I'm expecting when I open a new tab</p>
  
  <p><a href="https://i.stack.imgur.com/1Y15p.png" rel="noreferrer"><img src="https://i.stack.imgur.com/1Y15p.png" alt="enter image description here"></a></p>