Get --version argument working in mantidworkbenchnightly again

Peterson, Peterrequested to merge
mantidworkbench into main

During the pixi do-over of nsd-app-wrap, the command line arguments were dropped from the call into the wrapper. This restores that functionality. Andrei discovered the issue.

To test

In a checkout on the analysis cluster, run

mantidworkbenchnightly --version

should print out a version number rather than start workbench

Edited by Peterson, Peter

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