fix: fix nvim pid

[Hanaasagi]

nvim─┬─language_server─┬─language_server───18*[{language_server}]
     │                 └─17*[{language_server}]
     ├─2*[lua-language-se───4*[{lua-language-se}]]
     ├─pynvim-python───python
     └─4*[{nvim}]