title: Canvas Rect Transform is gray and can't be moved change position. How can I make it to be able to change it's position in the editor?
body: <p>And the parent of it is just a prefab.</p>
  
  <p><a href="https://i.stack.imgur.com/JL68T.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JL68T.jpg" alt="Canvas I want to move"></a></p>
  
  <p>This is the parent prefab screenshot :</p>
  
  <p><a href="https://i.stack.imgur.com/vFUqz.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/vFUqz.jpg" alt="Parent prefab"></a></p>