Right side of split view is not updated when the active directory is deleted

Version information

d14e7cda compiled on Arch Linux

Steps to reproduce

1. mkdir ~/remove-me
2. thunar ~/remove-me
3. View > Split View
4. In an external terminal, run rmdir ~/remove-me
   • Notice that the left side of the split view is redirected to the parent directory, but the right side remains in the deleted folder

Current behavior

Only the left side of the view is updated to reflect the folder deletion

Expected outcome

Both sides of the view are updated to reflect the folder deletion

Backtrace

N/A

Additional information

• 4.20.5 is also affected