list: set update hints on item edje objects

without size hints on the edje object, a list item will never be sized
accurately, meaning that the size hints set on subobjects (icon, end) are
ignored in nearly all cases, and any previous sizing which was accurate was,
in fact, merely coincidentally accurate

@fix

legacy/elementary/src/lib/elm_list.c

@@ -2302,6 +2302,7 @@ _item_new(Evas_Object *obj,
    WIDGET_ITEM_DATA_SET(EO_OBJ(it), data);
 
    VIEW(it) = edje_object_add(evas_object_evas_get(obj));
+   edje_object_update_hints_set(VIEW(it), 1);
 
    /* access */
    if (_elm_config->access_mode == ELM_ACCESS_MODE_ON)