This is part of #431, right fix is to use <button/> instead.  We
don't want to extend the code to fix this, it'll introduce more
bugs and strangeness later.  Still a lot to do there, any help is
welcome, the conversion is pretty simple.

(legacy) lock portnumbers on protocols other then tcp/udp, closes https://github.com/opnsense/core/issues/542

(legacy) Warning: Illegal string offset 'wan' in /usr/local/www/services_dhcpv6.php on line 462 Warning

examples:
display logged in user menu : /api/core/menu/tree
search items (visitable by logged in user): /api/core/menu/search/?q=dhcpv6

(trafficshaper) add match tcp ACK/non-ACK selection, closes https://github.com/opnsense/core/issues/528

(legacy) add symbol to show rule direction on floating rule, closes https://github.com/opnsense/core/issues/533

(legacy) Unable to use commas in advanced DHCP client options https://github.com/opnsense/core/issues/530

(legacy) add x509_extensions selection to cert_created, related to https://github.com/opnsense/core/issues/81

(legacy) remoev duplicate cert code from usermanager (use redirect instead), closes https://github.com/opnsense/core/issues/59