Accepting a suggestion in the editor removes everything in front of the cursor

[inosik]

Accepting a suggestion removes everything in front of the cursor:

https://github.com/user-attachments/assets/78ebd74d-d659-443d-851f-548ffa0eadab

This happens on Tab and typing . or ( when a suggested item is already typed. I'm using Firefox on Windows but my colleague who uses Chrome can reproduce that too.