As a customer, I would like the Demo experience for Instant Packs to function correctly.

Description

With two successively attempts of the Demo feature for instant packs, a crash occurs.

Reproduction behavior

1) Tap to select an Instant Pack

2) Select the Demo mode

3) Tap to begin the Demo

4) Tap to close the Demo after a selection is displayed

5) Repeat steps 2 & 3

Behavior

The Demo function begins but crashes back to the Instant Pack view.

Expected Behavior

The Demo completes without crash.