Webtrees: use PHP CLI for initial setup instead of curl to setup wizard

[MickLesk]

✍️ Description

Replaced the fragile sleep 5 + curl POST setup wizard approach with php index.php config-ini, php index.php user Admin --create, and php index.php user-setting - as recommended by webtrees upstream author fisharebest.

🔗 Related Issue

Fixes #14733

✅ Prerequisites (X in brackets)

• Self-review completed – Code follows project standards.
• Tested thoroughly – Changes work as expected.
• No security risks – No hardcoded secrets, unnecessary privilege escalations, or permission issues.

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🛠️ Type of Change (X in brackets)

• 🐞 Bug fix – Resolves an issue without breaking functionality.
• ✨ New feature – Adds new, non-breaking functionality.
• 💥 Breaking change – Alters existing functionality in a way that may require updates.
• 🆕 New script – A fully functional and tested script or script set.
• 🌍 Website update – Changes to script metadata (PocketBase/website data).
• 🔧 Refactoring / Code Cleanup – Improves readability or maintainability without changing functionality.
• 📝 Documentation update – Changes to README, AppName.md, CONTRIBUTING.md, or other docs.

[dsfgorski]

Hi.
This doesn't work properly for me with error:
[ERROR] in line 59: exit code 1 (General error / Operation not permitted): while executing command sudo -u www-data php /opt/webtrees/index.php user Admin --create --real-name="Administrator" --email="admin@example.com" --password="${WT_ADMIN_PASS}"

In Connection.php line 838:
SQLSTATE[42S02]: Base table or view not found: 1146 Table 'webtrees.wt_user' doesn't exist (Connection: default, Host: 127.0.0.1, Port: 3306, Database: webtrees, SQL: select * from wt_user where user_id > 0 order by real_name asc)
In Connection.php line 420:
SQLSTATE[42S02]: Base table or view not found: 1146 Table 'webtrees.wt_user' doesn't exist

[dsfgorski]

It seems like command war run from wrong directory as after changing dir to /opt/webtrees it runs smoothly.