Add package tracking number in item fulfillment email

System email template:

<div><#list itemfulfillment.package as pkg>${pkg.packagetrackingnumber}</#list> <#list itemfulfillment.packageups as pkg>${pkg.packagetrackingnumberups}</#list> <#list itemfulfillment.packagefedex as pkg>${pkg.packagetrackingnumberfedex}</#list></div>

Email templates:

<div><#list transaction.package as pkg>${pkg.packagetrackingnumber}</#list> <#list transaction.packageups as pkg>${pkg.packagetrackingnumberups}</#list> <#list transaction.packagefedex as pkg>${pkg.packagetrackingnumberfedex}</#list></div>