检测时间过长，导致操作失败。。。。。。。

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### How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

### Which OS are you using?

Windows

### What is the issue affecting?

Type Checking

### Expected Behaviour

进行多条的if...elseif..end操作后，点击代码块收缩。

### Actual Behaviour

出现收缩代码块操作不响应，或者操作后长时间才会响应的情况。

### Reproduction steps

if
...
elseif
...
end
当中的elseif有6条左右

### Additional Notes

_No response_

### Log File

_No response_

Start by reproducing the issue in the Visual Studio Code extension on Windows with an if/elseif/end block containing about six elseif branches. Observe folding responsiveness and compare the delay before and after folding; done means code-block folding responds without a long pause for the reported example.

Written by the indexing model from the issue text.