Steps to reproduce:
- Open the mod browser (Mods > Install mods).
- Write some query in the search box for which there are results (e.g. "upgrade").
- Click on one of the results.
- Click somewhere inside the search box after the query, such that the blinking marker appears after the last letter (it's simply easiest to reproduce this way).
- Press "backspace".
Tested on Windows 10.