Steps to reproduce:
1. Navigate to Site Admin > Site Pages
2. Click on Import in navbar
3. Drag lar file of exported pages into upload area
4. Click continue
5. Attempt to click the select or change link, or the continue button again.
Expected result: The links should open modal windows, the continue button should take you to the next section of the form.
Actual result: The links and continue button have no effect.