Local KB admin: Give focus to the Package Name field on opening the "New KBART import job" form

Overview:

In the Local KB admin app, when the user selects New > KBART import job, a form is displayed. The first field in the form should be given focus.

Steps to Reproduce:

1. Open the Local KB admin app
2. Select "New", select "KBART import job"

Expected Results:
In the form displayed the "Package name" field should have focus.

Actual Results:
In the form displayed the user must tab twice to give the package name field focus.