[MIRROR] tgui Preferences Menu + total rewrite of the preferences backend (#8153)

* tgui Preferences Menu + total rewrite of the preferences backend

* nah, we dont need to ping those people

* trying to remove the funny stuff

* unmodularizing this

* prefs reset

* this may need to be reverted, who knows

* okay, this part

* perhaps

* EEEEEEEEE

* unsanitary

* E

* Stage 1 + loadout system

* more fixes

* E

* I mean, it launches?

* More fixes and reorganisation

* E

* customisation code is spaget.

* disable ERP prefs

* Update erp_preferences.dm

* Update erp_preferences.dm

* E

* Slowly getting there

* It may be time for help :)

* tri...colors... help

* preferences now pass preferences

* Update dna.dm

* Fuck this man

* missing savefile return, set_species works, removed dumb stuff from updateappearance

* https://github.com/Skyrat-SS13/Skyrat-tg/pull/8199

* https://github.com/Skyrat-SS13/Skyrat-tg/pull/8224

* https://github.com/tgstation/tgstation/pull/61519

* https://github.com/Skyrat-SS13/Skyrat-tg/pull/8278

* e

* le butonAZARAK HELLO

* hhh

* Proper recognition where it's due, MrMelbert!

* EEEE

* examine block

* Better gen hit sounds from whitedream

* final loadout touches, more bug fixes im sure to come

* i said there would be bugfixes

* Update LoadoutManager.js

* Missing preferences in the html menu

* LIVE TESTING PHASE BABY

* Update LoadoutManager.js

* EEE

* LAUNCH TEST FIRE

* Update job.dm

* Update new_player.dm

* 50gb DAY ONE PATCH

* EEE

* Update preferences.dm

* buggle fixes

* Update examine.dm

* >LOOC starts on

Co-authored-by: Mothblocks <35135081+Mothblocks@users.noreply.github.com>
Co-authored-by: jjpark-kb <55967837+jjpark-kb@users.noreply.github.com>
Co-authored-by: Gandalf <jzo123@hotmail.com>
Co-authored-by: Azarak <azarak10@gmail.com>

code/controllers/configuration/configuration.dm

@@ -235,6 +235,7 @@
 	var/tm_info = GLOB.revdata.GetTestMergeInfo()
 	if(motd || tm_info)
 		motd = motd ? "[motd]<br>[tm_info]" : tm_info
+
 /*
 Policy file should be a json file with a single object.
 Value is raw html.

code/controllers/configuration/entries/game_options.dm

@@ -110,8 +110,6 @@
 	key_mode = KEY_MODE_TEXT
 	value_mode = VALUE_MODE_FLAG
 
-/datum/config_entry/flag/join_with_mutant_humans //players can pick mutant bodyparts for humans before joining the game
-
 /datum/config_entry/flag/no_summon_guns //No
 
 /datum/config_entry/flag/no_summon_magic //Fun