Firewall: Fix Bug 10490 and broken colorization of tables in firewall groups
firewall: Add rate limiting for LOG messages.

Fixes #10488.
firewall: Add chain name to logged rules.

This helps us to debug faster where a packet has been dropped.
Firewall: Fix oversized Textfields
Merge branch 'next' of ssh://git.ipfire.org/pub/git/ipfire-2.x into next
Merge remote-tracking branch 'amarx/beta3' into next
firewall: Extend rate limiting for ICMP error messages.

Fixes #10489.
firewall: Don't colourise MAC addresses.

Fixes #10491.