Fix fake space edge turfs

code/game/turfs/space/space.dm

@@ -136,7 +136,7 @@
 /turf/space/Entered(var/atom/movable/A)
 	. = ..()
 
-	if(edge && ticker?.mode)
+	if(edge && ticker?.mode && !density) // !density so 'fake' space turfs don't fling ghosts everywhere
 		A?.touch_map_edge()
 
 /turf/space/proc/Sandbox_Spacemove(atom/movable/A as mob|obj)

code/modules/lighting/lighting_turf.dm

@@ -27,7 +27,7 @@
 		return
 
 	var/area/A = loc
-	if(A.dynamic_lighting)
+	if(A.dynamic_lighting && dynamic_lighting)
 		if(!lighting_corners_initialised)
 			generate_missing_corners()
 

maps/submaps/_helpers.dm

@@ -3,8 +3,14 @@
 /turf/space/internal_edge
 	icon_state = "arrow"
 	opacity = 1
+	density = 1
 	blocks_air = TRUE
 
+/turf/space/internal_edge/Initialize()
+	. = ..()
+	opacity = 1 // This will get reset due to using appearances that are precreated in SSskybox, and apps have opacity = 0
+	density = 1
+
 /turf/space/internal_edge/top
 	dir = NORTH
 	forced_dirs = NORTH