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/datums/helper_datums/async_input.dm

@@ -110,11 +110,11 @@
 /datum/async_input/ranked/render_choices()
 	var/dat = "<div>"
 	dat += "<table id='choices' uid=[UID()] style='margin: auto; text-align: left;'>"
-	for(var/i = 1, i <= choices.len, i++)
+	for(var/i = 1, i <= length(choices), i++)
 		var/choice = choices[i]
 		dat += "<tr>"
 		dat += "<td>[button("+", i != 1 ? "upvote=[i]" : "", null, i == 1)]</td>"
-		dat += "<td>[button("-", i != choices.len ? "downvote=[i]" : "", null, i == choices.len)]</td>"
+		dat += "<td>[button("-", i != length(choices) ? "downvote=[i]" : "", null, i == length(choices))]</td>"
 		dat += "<td style='cursor: move;' index='[i]'  ondrop='drop(event)' ondragover='allowDrop(event)' draggable='true' ondragstart='drag(event)'>[i]. [choice]</td>"
 		dat += "</tr>"
 	dat += "</table>"
@@ -157,7 +157,7 @@
 	..()
 	popup.add_script("autocomplete.js", 'html/browser/autocomplete.js')
 
-	for(var/i=1, i <= choices.len, i++)
+	for(var/i=1, i <= length(choices), i++)
 		var/C = choices[choices[i]]
 		choices[i] = url_encode(choices[i], TRUE)
 		choices[choices[i]] = C

code/datums/helper_datums/construction_datum.dm

@@ -14,15 +14,15 @@
 	if(!holder) //don't want this without a holder
 		spawn
 			qdel(src)
-	set_desc(steps.len)
+	set_desc(length(steps))
 	return
 
 /datum/construction/proc/next_step(mob/user as mob)
 	steps.len--
-	if(!steps.len)
+	if(!length(steps))
 		spawn_result(user)
 	else
-		set_desc(steps.len)
+		set_desc(length(steps))
 	return
 
 /datum/construction/proc/action(atom/used_atom,mob/user as mob)
@@ -37,9 +37,9 @@
 	return 0
 
 /datum/construction/proc/is_right_key(atom/used_atom) // returns current step num if used_atom is of the right type.
-	var/list/L = steps[steps.len]
+	var/list/L = steps[length(steps)]
 	if(do_tool_or_atom_check(used_atom, L["key"]))
-		return steps.len
+		return length(steps)
 	return 0
 
 
@@ -67,12 +67,12 @@
 	return 1
 
 /datum/construction/proc/check_all_steps(atom/used_atom,mob/user as mob) //check all steps, remove matching one.
-	for(var/i=1;i<=steps.len;i++)
+	for(var/i=1;i<=length(steps);i++)
 		var/list/L = steps[i]
 		if(do_tool_or_atom_check(used_atom, L["key"]) && custom_action(i, used_atom, user))
 			steps[i]=null;//stupid byond list from list removal...
 			listclearnulls(steps)
-			if(!steps.len)
+			if(!length(steps))
 				spawn_result(user)
 			return 1
 	return 0
@@ -130,7 +130,7 @@
 
 /datum/construction/reversible/New(atom)
 	..()
-	index = steps.len
+	index = length(steps)
 	return
 
 /datum/construction/reversible/proc/update_index(diff as num, mob/user as mob)

code/datums/helper_datums/teleport.dm

@@ -205,7 +205,7 @@
 			precision = rand(1, 100)
 
 		var/list/bagholding = teleatom.search_contents_for(/obj/item/storage/backpack/holding)
-		if(bagholding.len)
+		if(length(bagholding))
 			if(safe_turf_first) //If this is true, this is already a random teleport. Make it unsafe but do not touch the precision.
 				safe_turf_first = FALSE
 			else