Merges LAZYDISTINCTADD and LAZYADDOR (ParadiseSS13#22138)

* kills off LAZYDISTINCTADD

* Changes it to Distinct Add...

code/__HELPERS/lists.dm

@@ -683,12 +683,11 @@
 #define UNSETEMPTY(L) if (L && !L.len) L = null
 #define LAZYREMOVE(L, I) if(L) { L -= I; if(!L.len) { L = null; } }
 #define LAZYADD(L, I) if(!L) { L = list(); } L += I;
-#define LAZYADDOR(L, I) if(!L) { L = list(); } L |= I;
+/// Adds I to L, initializing L if necessary, if I is not already in L
+#define LAZYDISTINCTADD(L, I) if(!L) { L = list(); } L |= I;
 #define LAZYACCESS(L, I) (L ? (isnum(I) ? (I > 0 && I <= L.len ? L[I] : null) : L[I]) : null)
 #define LAZYLEN(L) length(L) // Despite how pointless this looks, it's still needed in order to convey that the list is specificially a 'Lazy' list.
 #define LAZYCLEARLIST(L) if(L) L.Cut()
-/// Adds I to L, initializing L if necessary, if I is not already in L
-#define LAZYDISTINCTADD(L, I) if(!L) { L = list(); } L |= I;
 
 // LAZYING PT 2: THE LAZENING
 #define LAZYREINITLIST(L) LAZYCLEARLIST(L); LAZYINITLIST(L);

code/datums/looping_sounds/looping_sound.dm

@@ -56,7 +56,7 @@
 /datum/looping_sound/proc/start(atom/add_thing)
 	GLOB.looping_sounds += src
 	if(add_thing)
-		LAZYADDOR(output_atoms, add_thing)
+		LAZYDISTINCTADD(output_atoms, add_thing)
 	if(!muted)
 		return
 	muted = FALSE

code/game/objects/items/weapons/storage/storage_base.dm

@@ -205,7 +205,7 @@
 	user.client.screen += closer
 	user.client.screen += contents
 	user.s_active = src
-	LAZYADDOR(mobs_viewing, user)
+	LAZYDISTINCTADD(mobs_viewing, user)
 
 /**
   * Hides the current container interface from `user`.