BUG: process stuck when modify settings or searching

### Checks

- [x] I have checked that this issue has not already been reported.

- [x] I am using the latest version of Flow Launcher.

- [ ] I am using the prerelease version of Flow Launcher.

### Problem Description

I have a common problem
I use Chinese pinyin search and two sorts to search. i tried to disable other additions except "search programs"
crash will happened anytime, not only searching also when i modify settings. when things happened, it's cpu usage and memory usage were high and flow launcher was no response.
i tried to wait and sometimes it will respones my operation again
by the way, i didn't meet this problem in version 1.19.15

### To Reproduce

i'm not sure how things happened, but i'll put my settings here
1. anytime when search or modify settings

to facilitate your viewing of the Settings, I have changed to English. but i use simplified Chinese usually

### Screenshots

https://github.com/user-attachments/assets/5c7d0acf-acbd-488e-9ae3-6fb40fefef49

### Flow Launcher Version

2.1.2

### Windows Build Number

10.0.19045.6937

### Error Log

[Flow.Launcher.2026-06-06.log](https://github.com/user-attachments/files/28665598/Flow.Launcher.2026-06-06.log)