Bug: Sprites can receive the wrong movement byte (pret#395)

Co-authored-by: Rangi <35663410+Rangi42@users.noreply.github.com>

Author: Vortyne

engine/overworld/movement.asm

@@ -117,7 +117,7 @@ UpdateNPCSprite:
 	dec a
 	add a
 	ld hl, wMapSpriteData
-	add l
+	add l ; should be adc
 	ld l, a
 	ld a, [hl]        ; read movement byte 2
 	ld [wCurSpriteMovement2], a