kdePackages.mkKdeDerivation: fix meta.pos

[SuperSandro2000]

This reverts commit efdbcac.

The previous behaviour was correct and can be tested with: nix edit kdePackages.ark

#297740 (comment)

Description of changes

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 24.05 Release Notes (or backporting 23.05 and 23.11 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[K900]

Something is wrong here, because if we do it this way, meta.broken gets ignored instead.

[SuperSandro2000]

I've pushed a change which instead inherits first meta and fixes meta.pos in a second merge. I think that should work.

[K900]

#297783 seems like it also works, and is a lot simpler

[K900]

Merged that.