(legacy) cleanup and validate url alias download, closes https://github.com/opnsense/core/issues/877

(cherry picked from commit cdb5304d)

(cherry picked from commit bfe5a992)

(cherry picked from commit 1ed6b998)

Signed-off-by: Isaac (.ike) Levy <ike@blackskyresearch.net>
(cherry picked from commit 19d92d53)

(cherry picked from commit 23f14082)

(cherry picked from commit 7a4fe2a1)

(cherry picked from commit 796986fa)

Taken from: https://translate.opnsense.org/

(cherry picked from commit dcc44316)

Using this version, it will already be possible to "delete" (sub)menus from inherited structures, using the visibility="delete" tag on an item.

(cherry picked from commit d5378085)

(cherry picked from commit d4d4b2ee)

(cherry picked from commit 0af2ca39)

(cherry picked from commit a3169a51)

(cherry picked from commit 3bcaaa9b)
(cherry picked from commit 98b3b2b2)
(cherry picked from commit fe8706b6)
(cherry picked from commit c013ef01)
(cherry picked from commit a6dcd976)

(cherry picked from commit 048d5be4)

(cherry picked from commit 0e553b0a)

(cherry picked from commit 92883b23)

(cherry picked from commit 7d18504c)

(cherry picked from commit 7645c83b)

(cherry picked from commit 0aec40f7)

(trafficshaper) use macro to determine interface ( replace helpers.getNodeByTag('interfaces.xyz').if with physical_interface('xyz')

(cherry picked from commit 285c4c62)

(cherry picked from commit 339b77d1)

(cherry picked from commit 89ef76aa)

(cherry picked from commit 862fd2c6)

oops, meant sessionStorage in stead of localStorage, no need to keep things beyond the duration of the session. https://github.com/opnsense/core/issues/840

(cherry picked from commit 53d00da8)

(cherry picked from commit 7c18b025)

(legacy) remember scroll position for non ajax toggle/move, https://github.com/opnsense/core/issues/840

(cherry picked from commit 306b80c7)

(cherry picked from commit 0188444c)

(cherry picked from commit e07fcdcf)

(cherry picked from commit 301d6f0c)

(captive portal vouchers) missing busyTimeout (crashreport, PHP Warning:  SQLite3Stmt::execute(): Unable to execute statement: database is locked in /usr/local/opnsense/mvc/app/library/OPNsense/Auth/Voucher.php on line 120)

(cherry picked from commit 24ce2546)

(cherry picked from commit 5de6aee4)

(cherry picked from commit 135a8615)

(cherry picked from commit 9989097d)

This makes pages much easer on the eye, the messages are clear still.

(cherry picked from commit abcb4cce)

(cherry picked from commit 4bcdc72b)

(cherry picked from commit bdf66d49)

(cherry picked from commit 2e20c8d6)

(cherry picked from commit b40f5522)

(cherry picked from commit 05456e7d)

(cherry picked from commit 683fb184)