[autobackport: sssd-2-12] Add support for Plasma Login Manager as a supported PAM service

[sssd-bot]

This is an automatic backport of PR#8506 Add support for Plasma Login Manager as a supported PAM service to branch sssd-2-12, created by @Conan-Kudo.

Please make sure this backport is correct.

Note

The commits were cherry-picked without conflicts.

You can push changes to this pull request

git remote add sssd-bot git@github.com:sssd-bot/sssd.git
git fetch sssd-bot refs/heads/SSSD-sssd-backport-pr8506-to-sssd-2-12
git checkout SSSD-sssd-backport-pr8506-to-sssd-2-12
git push sssd-bot SSSD-sssd-backport-pr8506-to-sssd-2-12 --force

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Original commits
5df3bff - Add support for Plasma Login Manager as a supported PAM service

Backported commits

• 5c3aaa8 - Add support for Plasma Login Manager as a supported PAM service

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Original Pull Request Body

Plasma Login Manager is the new recommended login manager for KDE Plasma, and is used as the login manager for Fedora Linux 44 and higher for KDE Plasma.

Reference: https://fedoraproject.org/wiki/Changes/PlasmaLoginManager

Resolves: #8490

[alexey-tikhonov]

This branch won't build for Rawhide:

src/util/sss_ini.c:39:10: fatal error: ini_config.h: No such file or directory
   39 | #include "ini_config.h"

-- #8409 wasn't backported here.

But Fedora has it cherry-picked:
https://src.fedoraproject.org/rpms/sssd/c/5d1bfccea5c0ac728a37e6adac15a7442ddc28d9?branch=rawhide

[gemini-code-assist]

Code Review

This pull request backports the addition of support for the Plasma Login Manager (plasmalogin) as a supported PAM service. The changes consistently add plasmalogin to default service lists in GPO mapping, smartcard authentication, and related documentation and tests. The modifications are correct and maintain alphabetical ordering where it was already present. No high or critical severity issues were found by the code review. The security review agent encountered an error and was unable to provide specific security findings for this pull request.

[sssd-bot]

The pull request was accepted by @alexey-tikhonov with the following PR CI status:

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🟢 rpm-build:centos-stream-10-x86_64:upstream (success)
🟢 rpm-build:fedora-42-x86_64:upstream (success)
🟢 rpm-build:fedora-43-x86_64:upstream (success)
🟢 rpm-build:fedora-44-x86_64:upstream (success)
🔴 rpm-build:fedora-rawhide-x86_64:upstream (failure)
🟢 Build / freebsd (success)
🟢 Build / make-distcheck (success)

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