pgadmin4: fix service start issue

[andrevmatos]

systemd service unit currently fails with requiring pkg_resources to be available:

systemd[1]: Starting pgadmin.service...
pgadmin-pre-start[2114]: Traceback (most recent call last):
pgadmin-pre-start[2114]:   File "/nix/store/11clxms2cwnz31wvdfpadmkpqs843q2z-pgadmin-8.12/bin/.pgadmin4-cli-wrapped", line 6, in <module>
pgadmin-pre-start[2114]:     from pgadmin4.setup import app
pgadmin-pre-start[2114]:   File "/nix/store/11clxms2cwnz31wvdfpadmkpqs843q2z-pgadmin-8.12/lib/python3.12/site-packages/pgadmin4/setup.py", line 32, in <module>
pgadmin-pre-start[2114]:     import config
pgadmin-pre-start[2114]:   File "/nix/store/11clxms2cwnz31wvdfpadmkpqs843q2z-pgadmin-8.12/lib/python3.12/site-packages/pgadmin4/config.py", line 33, in <module>
pgadmin-pre-start[2114]:     from pgadmin.utils import env, IS_WIN, fs_short_path
pgadmin-pre-start[2114]:   File "/nix/store/11clxms2cwnz31wvdfpadmkpqs843q2z-pgadmin-8.12/lib/python3.12/site-packages/pgadmin4/pgadmin/__init__.py", line 32, in <module>
pgadmin-pre-start[2114]:     from flask_security import Security, SQLAlchemyUserDatastore, current_user
pgadmin-pre-start[2114]:   File "/nix/store/rpp6k594x68s4w50vngfbg069pyq49lf-python3.12-flask-security-5.5.2/lib/python3.12/site-packages/flask_security/__init__.py", line 16, in <module>
pgadmin-pre-start[2114]:     from .core import (
pgadmin-pre-start[2114]:   File "/nix/store/rpp6k594x68s4w50vngfbg069pyq49lf-python3.12-flask-security-5.5.2/lib/python3.12/site-packages/flask_security/core.py", line 88, in <module>
pgadmin-pre-start[2114]:     from .totp import Totp
pgadmin-pre-start[2114]:   File "/nix/store/rpp6k594x68s4w50vngfbg069pyq49lf-python3.12-flask-security-5.5.2/lib/python3.12/site-packages/flask_security/totp.py", line 18, in <module>
pgadmin-pre-start[2114]:     from passlib.pwd import genword
pgadmin-pre-start[2114]:   File "/nix/store/a920dbsqj9v3qmxlzr8z5qdgaqyfjlk0-python3.12-passlib-1.7.4/lib/python3.12/site-packages/passlib/pwd.py", line 16, in <module>
pgadmin-pre-start[2114]:     import pkg_resources
pgadmin-pre-start[2114]: ModuleNotFoundError: No module named 'pkg_resources'
systemd[1]: pgadmin.service: Control process exited, code=exited, status=1/FAILURE
systemd[1]: pgadmin.service: Failed with result 'exit-code'.
systemd[1]: Failed to start pgadmin.service.

Adding setuptools to propagatedBuildInputs fixes this.

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/)
• 24.11 Release Notes (or backporting 23.11 and 24.05 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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[gador]

LGTM, thanks!