bug(windows): typing in the Firefox URL/Search text field the drop down of suggestions continually hides and shows again

See original report and video [here](https://community.software.sil.org/t/backspace-and-search-bars-acting-weird-on-firefox/10870/3)

![Image](https://github.com/user-attachments/assets/f0c6e565-19ee-4026-8441-aa46b4cbe16a)