Firefox and Safari are unaffected.  No harm done in deleting a
pointer to a non-existing source map.  Oh my.

(cherry picked from commit 6a1ddbf7)

(cherry picked from commit e061374a)

(cherry picked from commit ba75faeb)

(cherry picked from commit f034bccf)

Inspired by: @adschellevis

(cherry picked from commit b72bfe22)

maybe, one day, we should refactor some of the JS code... but for now this will do the trick

(cherry picked from commit 6c8c91a1)

(reporting/settings) option to flush all local netflow data. closes https://github.com/opnsense/core/issues/983

(cherry picked from commit 0c429413)

(cherry picked from commit 57f35d74)

(cherry picked from commit 2641694a)

(cherry picked from commit f9e71141)

(rrd) add configd "systemhealth flush" command, add flush single report. closes https://github.com/opnsense/core/issues/984

(cherry picked from commit b7657a6f)
(cherry picked from commit 6bbfe4e0)

Bravely assisted by: @ShaRose

(cherry picked from commit 768d5e81)

(cherry picked from commit 1e5c55bf)

(cherry picked from commit 51b04e9b)

(interface groups) trigger missing to notify changed interface administration, closes https://github.com/opnsense/core/issues/1064

Language correction: more generic expression

PR: https://forum.opnsense.org/index.php?topic=1668

(fw, alias) refactor update_alias_names_upon_change to support nested alias renaming, closes https://github.com/opnsense/core/issues/1028

legacy_interface_stats using the wrong interface name. reference https://github.com/opnsense/core/issues/1014

This reverts commit 2fa901e8.

This reverts commit 4638d99c.