Completing Quests via the webui will now also award the quest's items and mails.
Also fixes doubly adding key chain items.
A few items will not be added, as it is currently impossible to determine the item category by path for these items.
This will be fixed soon.
Reviewed-on: #965
Co-authored-by: Ordis <134585663+OrdisPrime@users.noreply.github.com>
Co-committed-by: Ordis <134585663+OrdisPrime@users.noreply.github.com>
