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/detective_work/evidence.dm

@@ -33,7 +33,7 @@
 		to_chat(user, "<span class='notice'>[I] won't fit in [src].</span>")
 		return
 
-	if(contents.len)
+	if(length(contents))
 		to_chat(user, "<span class='notice'>[src] already has something inside it.</span>")
 		return
 
@@ -66,7 +66,7 @@
 	return 1
 
 /obj/item/evidencebag/attack_self(mob/user)
-	if(contents.len)
+	if(length(contents))
 		var/obj/item/I = contents[1]
 		user.visible_message("<span class='notice'>[user] takes [I] out of [src].</span>", "<span class='notice'>You take [I] out of [src].</span>",\
 		"<span class='notice'>You hear someone rustle around in a plastic bag, and remove something.</span>")