Merge branch 'click_hides_tooltip' of https://github.com/GoaLitiuM/FlaxEngine into GoaLitiuM-click_hides_tooltip

Source/Engine/UI/GUI/Tooltip.cs

@@ -242,6 +242,12 @@ namespace FlaxEngine.GUI
                 if (_window)
                     _window.Position = mousePos + TooltipOffset;
             }
+            
+            if (Input.Mouse.IsAnyButtonDown || Math.Abs(Input.Mouse.ScrollDelta) > Mathf.Epsilon)
+            {
+                // Hide popup when buttons are pressed
+                Hide();
+            }
 
             base.Update(deltaTime);
         }