Yups take a look at the update to
THIS Its the mainhud / inventory you need to be looking at, That windon contains the active quest name as well as a few inv slots what changes is the location of slots 0,1 due to them needing to be displayed in both views but only working on there propper page.... I am crap at explaining stuff best just to have a look lol and you will see what I have done.....
The actual file that holds that code is eq2ui_mainhud_ammo.xml