Fixes #4042 (#4154)

code/controllers/subsystems/initialization/map_finalization.dm

@@ -21,6 +21,9 @@
 	// Generate the area list.
 	resort_all_areas()
 
+	// This is dependant on markers.
+	populate_antag_spawns()
+
 	..()
 
 /proc/resort_all_areas()

code/controllers/subsystems/initialization/misc_early.dm

@@ -34,6 +34,7 @@
 	populate_robolimb_list()
 
 	// Set up antags.
+	// Spawn locations are set after map init!
 	populate_antag_type_list()
 
 	// Get BOREALIS to warn staff about a lazy admin forgetting visibility to 0