Restore original position and size of windows when untiling

[hyperair]

Expected behavior

When untiling a window, it returns to its original position and size prior to tiling it.

Actual behavior

No visible change happens in the window being untiled.

Steps to reproduce the behavior

1. Create a new window
2. Tile it, and observe it fitting into the tiled layout
3. Untile it
4. Observe that the window doesn't return to the position and size it was before step 2.

(Recommended) GNOME version

3.30.2