Add Support for Relative Paths to Command Line Arguments

[neolooong]

Is your feature request related to a problem? Please describe.
No relate to any issue.

Describe the solution you'd like
open specify directory from terminal, like explorer.exe

Additional context

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[jaigak]

@yolong-lin You can already do this by typing files.exe DirectoryPath

Note: Don't include a / after files.exe

[neolooong]

@Jaiganeshkumaran Thanks. But it seems to only work on absolute path.
If I type files . or files .\, it will open a new tab rather than the present working directory.