thunar 4.20.3: sometimes/often crashes on <CTRL>+<H> (show hidden items)

Version information

• openSUSE Leap 15.6
• thunar 4.20.3

Steps to reproduce

1. open Thunar
2. press <CTRL>+<H> multiple times to show/hide hidden items
3. crashes

Expected outcome

• no crash on this kind of keystroke