pfSense

DHCPV6 only check VIPs in range if range valid

If the user has input invalid values into range from and to, then there
is no point checking any IPv6 VIPs to see if they fall in the range.
None of them would be "in range" because the specified range is not even...

Allow Hyphens in DHCP NTP Server form validation

Also removes the ability to have underscores `_` in ntp server
FQDNs.

Closes #6806

(cherry picked from commit c68dbfc7580180cd9d47bdbecaeeb6cf835fe210)

Format file_notice alerts in webgui with newline characters as <br/> for easier reading.

(cherry picked from commit 348fae16e4c4735afef619184fba76b97effd875)

lowercasing and sprintf of setHelp
(cherry picked from commit 705679339705657832422f5fdc336b5e39d48b79)

label src/dst incorrect - fixed (minor)
(cherry picked from commit a309ffa5cc1e8682bb083f9288f73f43a2a9c282)

UI improvement - src port button label and src port help msgs

1. Rename "srcportadv" to "srcporttoggle" - not ideal to have 2 fields both labelled "advanced options". This presentation probably works nicer
2. Self-explanatory show/hide button itself doesn't need a label. (If srcports are shown, they will have a label as usual)...

add array index how value for authserver list

(cherry picked from commit db0c1e142c98a6253204d69218557b91a8754337)

Move pfSense-upgrade to FreeBSD-ports

Simplify logic
(cherry picked from commit 9a2d3fe1bf9bdad73fbffca44d5c1f02aa9825ae)

Spelling mistake "system_gateways.php"

Fix spelling mistake in "system_gateways.php"

(cherry picked from commit 47180823dc0560801085a227abf512e265363b16)