fix: align dotnet segment with other languages
feat: missing command text + json schema updated
chore: doc updated
perf: cache executable path
chore: not supported version icon updated(previus one was unreadable)
without wait(), the *ProcessState is nil, meaning we can't access
the ExitCode(). On Windows, calling wait() introduces a timeout
which makes things run slower, which is why we only call wait()
in case of an error. That should not be the main use-case.
relates to #285