Changes all .len to length() where applicable (#25174)

* Globals work

* Double access works

* All other things

* Revert "All other things"

This reverts commit 6574442eb6.

* More changes that compile and work

* IT WORKS AAAAAA

* Changes even more .len to length()

* Apply suggestions from code review

* Update code/datums/mind.dm

* Update code/__HELPERS/sorts/InsertSort.dm

Co-authored-by: Deniz <66401072+Oyu07@users.noreply.github.com>

* Update code/__HELPERS/sanitize_values.dm

Co-authored-by: Deniz <66401072+Oyu07@users.noreply.github.com>

---------

Co-authored-by: FunnyMan3595 (Charlie Nolan) <funnyman@google.com>
Co-authored-by: Deniz <66401072+Oyu07@users.noreply.github.com>

code/modules/space_management/space_level.dm

@@ -165,11 +165,11 @@ GLOBAL_LIST_INIT(maploader_typecache, typecacheof(/obj/effect/landmark/map_loade
 	SSatoms.InitializeAtoms(our_atoms, FALSE)
 	log_debug("Primary initialization finished in [stop_watch(watch)]s.")
 	our_atoms.Cut()
-	if(pipes.len)
+	if(length(pipes))
 		do_pipes(pipes)
-	if(cables.len)
+	if(length(cables))
 		do_cables(cables)
-	if(late_maps.len)
+	if(length(late_maps))
 		do_late_maps(late_maps)
 
 /datum/space_level/proc/do_pipes(list/pipes)

code/modules/space_management/space_transition.dm

@@ -200,8 +200,8 @@
 /datum/spacewalk_grid/Destroy()
 	for(var/datum/point/P in filled_nodes)
 		release_node(P)
-	if(available_nodes.len > 1)
-		log_debug("Multiple nodes left behind after SW grid qdel: [available_nodes.len]")
+	if(length(available_nodes) > 1)
+		log_debug("Multiple nodes left behind after SW grid qdel: [length(available_nodes)]")
 		for(var/datum/point/P in available_nodes)
 			log_debug("([P.x],[P.y])")
 	return ..()
@@ -337,7 +337,7 @@
 
 	// Now, we pop entries in a random order from our list of space levels
 	// and assign its connections based on the grid
-	while(crosslinks.len)
+	while(length(crosslinks))
 		D = pick(crosslinks)
 		crosslinks.Remove(D)
 		// Add it to our space grid

code/modules/space_management/zlevel_manager.dm

@@ -17,7 +17,7 @@ GLOBAL_DATUM_INIT(space_manager, /datum/zlev_manager, new())
 // Populate our space level list
 // and prepare space transitions
 /datum/zlev_manager/proc/initialize()
-	var/num_official_z_levels = GLOB.map_transition_config.len
+	var/num_official_z_levels = length(GLOB.map_transition_config)
 	var/k = 1
 
 	// First take care of "Official" z levels, without visiting levels outside of the list
@@ -146,9 +146,9 @@ GLOBAL_DATUM_INIT(space_manager, /datum/zlev_manager, new())
 /datum/zlev_manager/proc/allocate_space(width, height)
 	if(width > world.maxx || height > world.maxy)
 		throw EXCEPTION("Too much space requested! \[[width],[height]\]")
-	if(!heaps.len)
+	if(!length(heaps))
 		heaps.len++
-		heaps[heaps.len] = add_new_heap()
+		heaps[length(heaps)] = add_new_heap()
 	var/datum/space_level/heap/our_heap
 	var/weve_got_vacancy = 0
 	for(our_heap in heaps)
@@ -160,7 +160,7 @@ GLOBAL_DATUM_INIT(space_manager, /datum/zlev_manager, new())
 	if(!weve_got_vacancy)
 		heaps.len++
 		our_heap = add_new_heap()
-		heaps[heaps.len] = our_heap
+		heaps[length(heaps)] = our_heap
 	return our_heap.allocate(width, height)
 
 /datum/zlev_manager/proc/free_space(datum/space_chunk/C)