OPNSense/core b7076ccsrc/www firewall_nat_edit.php firewall_nat.php

filter, port forward. support multiple interfaces per rule, when used and an automatic filter rule association is created it will be set as "Floating" + quick. closes https://github.com/opnsense/core/issues/1242

(cherry picked from commit 7af64730812680b63d95bb4c8d512e9ed6313615)
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+13-5src/www/firewall_nat_edit.php
+5-1src/www/firewall_nat.php
+18-62 files

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