chore: if user set the path then not resolve

[Decodetalkers]

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[Decodetalkers]

There are some project like rustup, itself will check the real executable, then run the executable, I have made such kind of project

https://github.com/Decodetalkers/flutterup

but if it find the final target called flutterup, the arg0 is flutterup, then it will not redirect to flutter, like what rustup does. and there are also another project do the same thing for flutter, but I have fogotten that project's name