Core/Items: use ITEM_FIELD_CREATE_PLAYED_TIME properly to determine an item's age and send the correct value in order to fix the refund info texts

sql/updates/characters/4.3.4/custom_2019_08_20_00_characters.sql

@@ -0,0 +1,6 @@
+ALTER TABLE `item_instance`
+MODIFY COLUMN `flags`  int(10) UNSIGNED NOT NULL DEFAULT 0 AFTER `charges`;
+
+ALTER TABLE `item_instance`
+CHANGE COLUMN `playedTime` `creationTime`  int(10) UNSIGNED NOT NULL DEFAULT 0 AFTER `durability`;
+UPDATE `item_instance` SET `creationTime`= 0;