CudaText: Options Editor Lite: Filter field is cleared when it shouldn't

1. type “indent”, press enter.
2. find indent_kind and select it
3. open combobox, and do not select anything in it.
4. just move mouse to indent_size item and click.

Filter field is cleared

https://user-images.githubusercontent.com/275333/205795105-ce0e361e-a269-4c09-9cbc-263e7d2f4281.mp4