setup.py: Add _copy_check_files logic to bdist_wheel

[qbisi]

Description

This fix firedrake-check when building a binary distribution in nixpkgs.

[connorjward]

I'm happy to merge this but can this go into release not master? I had to make a very similar fix there just recently.

[qbisi]

BTW, I guess the script firedrake-status does not make sense in both sdist and bdist release
The script will try to read git version of the src repo under src directory (which exisit only when installed via firedrake-install script).

Noted that the script firedrake-status is removed in master branch, may this change be merged into release branch？

[qbisi]

I am goint to submit the first init python3Packages.firedrake commit to nixpkgs before the release of nixos 25.05.
Is there any plan for another post release update?

Or is it Okay to just remove the script firedrake-{check,status} in nixpkgs binary release.

NixOS/nixpkgs#406239

[connorjward]

It's probably simplest to just remove firedrake-check and firedrake-status