[Bug]: winapp init requires a base directory when building the sample cpp app.

[Jaylyn-Barbee]

Describe the bug

Title

To Reproduce

This occurs in both the cpp sample and the electron.

1. Create a minimal C++ project
2. This should work but fails: winapp init
   The error from winapp init was:
   Unrecognized command or argument 'C:\Users\jaylynbarbee\AppData\Local\Microsoft\WindowsApps\winapp.exe'

This works:
winapp init .

Expected behavior

winapp init should use the directory it is currently in if no path is passed.

Screenshots

No response

OS Version and details

No response