Ports the TG globals controller and converts globals. (#18057)

* SDQL2 update

* fix that verb

* cl

* fix that

* toworld

* this is pointless

* update info

* siiiiick..

* vv edit update

* fix that

* fix editing vars

* fix VV

* Port the /TG/ globals controller.

* part 1

* part 2

* oops

* part 3

* Hollow Purple

* sadas

* bsbsdb

* muda na agaki ta

* ids 1-15

* 16-31

* 41-75

* bring me back to how things used to be before i lost it all

* the strength of mayhem

* final touches

* cl

* protect some vars

* update sdql2 to use glob

* stuff?

* forgot that is not defined there

* whoops

* observ

* but it never gets better

* a

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Co-authored-by: Matt Atlas <liermattia@gmail.com>

code/controllers/subsystems/initialization/persistent_configuration.dm

@@ -54,7 +54,7 @@ SUBSYSTEM_DEF(persistent_configuration)
 
 /datum/controller/subsystem/persistent_configuration/proc/populate_variables(list/decoded)
 	IF_FOUND_USE(decoded, last_gamemode)
-	master_mode = last_gamemode
+	GLOB.master_mode = last_gamemode
 
 	IF_FOUND_CONV(decoded, rounds_since_hard_restart, text2num)
 	IF_FOUND_USE(decoded, forced_awaymission)