Merge changes from 3.2.12p1 into develop

Closes #6754, #6755, and #6727

See merge request !1941

fix stored XSS issue in data log history detail page

Closes #6754

See merge request !1938

fixes #6754

Misc updates

See merge request !1935

Such a website symlink would trigger warnings such as:
Undefined array key "webmail.example.com" in /usr/local/ispconfig/server/lib/classes/cron.d/100-monitor_hd_quota.inc.php on line 124

Change database username length to 32 from 16

See merge request !1925

Merge branch '6737-Remove-space-before-comma-in-master.cf-at-smtpd_client_restrictions' into 'develop'

Space before comma in postfix master configuration file at smtpd_client_restrictions, #6737

Closes #6737

See merge request !1930

Update 3 files

Closes #6736

See merge request !1932

Indentation wrong on ServerAlias with apache vhosts, #6739

Closes #6739

See merge request ispconfig/ispconfig3!1933

- /install/tpl/debian_postfix.conf.master
- /install/tpl/fedora_postfix.conf.master
- /install/tpl/gentoo_postfix.conf.master
- /install/tpl/opensuse_postfix.conf.master

- /install/tpl/debian_postfix.conf.master
- /install/tpl/fedora_postfix.conf.master
- /install/tpl/opensuse_postfix.conf.master

Prettify for easy readability, #6735

Closes #6735

See merge request ispconfig/ispconfig3!1929

Cleanup comment we generated, #6729

Closes #6729

See merge request !1928

Fix placeholder use for empty config, #6698

Closes #6698

See merge request ispconfig/ispconfig3!1926

Warn about CNAME target missing, #6733

Closes #6733

See merge request ispconfig/ispconfig3!1927

Resolve "Warnings due to the use of PHP 8.2 in server.php logs"

Closes #6603

See merge request !1921

Merge branch '6603-warnings-due-to-the-use-of-php-8-2-in-server-php-logs' of git.ispconfig.org:ispconfig/ispconfig3 into 6603-warnings-due-to-the-use-of-php-8-2-in-server-php-logs

Fix switched port numbers, #6696

See merge request !1919

Use dnssec_wanted as additional condition to show dnssec active icon, #6721

See merge request ispconfig/ispconfig3!1920

Fix PHP warning and update number of class update

See merge request ispconfig/ispconfig3!1918

Resolve "Change in system requirements for ISPConfig 3.2.12"

Closes #6622

See merge request ispconfig/ispconfig3!1916