Ports over configuration controller (#16484)

* Ports over configuration controller

* Fixes

* Manual path fix

* patch (#16490)

* patch

* .

* SQL Fix

* Post-rebase fix

* Added missing examples

---------

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/admin/verbs/adminpm.dm

@@ -184,7 +184,7 @@
 				recipient << 'sound/effects/adminhelp.ogg'
 
 				//AdminPM popup for ApocStation and anybody else who wants to use it. Set it with POPUP_ADMIN_PM in config.txt ~Carn
-				if(config.popup_admin_pm)
+				if(CONFIG_GET(flag/popup_admin_pm))
 					spawn()	//so we don't hold the caller proc up
 						var/sender = src
 						var/sendername = key