kdePackages.plasma-workspace: wrap with --inherit-argv0

kcminit_startup checks its own argv[0] to determine what mode to run in.

Fixes #390179.

Author: K900

pkgs/kde/plasma/plasma-workspace/default.nix

@@ -62,6 +62,8 @@ mkKdeDerivation {
     gpsd
   ];
 
+  qtWrapperArgs = [ "--inherit-argv0" ];
+
   # Hardcoded as QStrings, which are UTF-16 so Nix can't pick these up automatically
   postFixup = ''
     mkdir -p $out/nix-support