AddItemDataToTooltip no longer gates the Item ID line on the item having
a registered quest-objective tooltip, so the ID shows for every item hover
when enabled (matching NPC/Object behavior). Switched to self:AddDoubleLine
so the line lands on the frame that fired OnTooltipSetItem (e.g. ItemRefTooltip
for chat links). Also surfaces a 'Drops a quest !' line with the colored quest
title when the item has a non-zero startQuest and the player lacks the quest,
read from QueryItemSingle at hover time.
Xurkon
79e877f4c9