Android Studio code completion don't work on large projects

My previous issue #6785

I created a project with 20,000 files, the code suggestions in Android Studio are problematic, but they work fine in VSCode.

class name is `Hello_1` ... `Hello_19999`

test `Hello_1500`, expected display `Hello_15001` ... `Hello_15009`

in Android Studio:

in VSCode:

## Steps to Reproduce

demo: https://github.com/CoderBuck/code_tips

## Version info
```
Android Studio Giraffe | 2022.3.1 Patch 1
Build #AI-223.8836.35.2231.10671973, built on August 17, 2023

flutter 3.13.1
flutter plugin 75.1.2
dart plugin 223.8950
```

## More info
The old Android Studio version is fine
```
Android Studio Arctic Fox | 2020.3.1 Patch 3
Build #AI-203.7717.56.2031.7784292, built on October 1, 2021

flutter plugin 65.2.1
```