firewall_rules, keep category selection when changing tabs. closes https://github.com/opnsense/core/issues/1592

(cherry picked from commit e660269e)
(cherry picked from commit d5ceec2a)

(cherry picked from commit b16ea822)

(cherry picked from commit 965b6eba)

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(cherry picked from commit c9b7cdfe)
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(cherry picked from commit 12810d94)
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(cherry picked from commit 335b591d)
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PR: https://forum.opnsense.org/index.php?topic=5213.0

(cherry picked from commit ed66e872)
(cherry picked from commit 93d68f77)

filter/port alias, allow ranges in the form of 80-100, replace with 80:100. closes https://github.com/opnsense/core/issues/1529

(cherry picked from commit 254775d4)

If a field isn't required and the user sets it with a faulty value, it would pass because it didn't know it wasn't set before user input.
There where two issues, first one, not knowing it was in init state (solved with internalFieldLoaded), next all field types should have used actionPostLoadingEvent to customize loading behaviour.

(cherry picked from commit 091b0754)

(cherry picked from commit a039ad4d)

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(cherry picked from commit b47c65bc)
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(cherry picked from commit 0e9b8f16)

(cherry picked from commit d0a94a5b)

CARP, add option "Disable preempt", move preempt to later boot stage. for https://github.com/opnsense/core/issues/1557

(cherry picked from commit 75967381)
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(cherry picked from commit 59249e5c)

(cherry picked from commit 82032a73)
(cherry picked from commit fae2e48f)