Integrates webmail and emailDelivery apps, mail-server and install/upgrade
paths, cyberpanel_ols 2.7.0-style binaries, and v2.4.5 UI patterns while
preserving v2.5.5-dev behavior (SnappyMail/PUBLIC_ROOT, childPath in
launchChild, hardened downloads and SSH activity modal).
- secMiddleware: allow dbPassword to bypass strict char check (stronger passwords)
- mysqlUtilities.createDatabase: return (0, error_message) on failure so UI shows real error instead of '0'
- mysqlUtilities.createDatabase: backtick-quote db name (fix 'near -admin' with hyphens), escape password and user for SQL
- submitDBCreation: pass through error message from createDatabase
- backupUtilities, Backupsv2, restoreMeta: treat createDatabase != 1 as failure (tuple return)
- patches/allow-dbpassword-special-chars.patch for secMiddleware deploy
- install.py: create venv at /usr/local/CyberCP if missing; add system python3 fallback for migrations; download composer.sh before chmod; remove existing SSH keys before ssh-keygen
- installCyberPanel.py: remove MariaDB-server from dnf exclude before install
- cyberpanel.sh: ensure ports 8090 and 7080 listening after install; final status shows port accessibility
- backupUtilities.py: remove existing cyberpanel keys before ssh-keygen to avoid Overwrite prompt
