Buying Dappy with insufficient amount of FUSD silently fails

[bebner]

Describe the bug The purchase of a Dappy with insufficient FUSD funds silently fails.

To Reproduce Steps to reproduce the behavior:

1. Enable FUSD Wallet (if not enabled yet) by clicking on "Enable FUSD" in the upper left corner of the page.
2. Set up a collection (if not set up yet) by navigating to "Collection" and then click on "Enable Collection"
3. Navigate to Dappy page and buy a Dappy that costs more than your FUSD balance.
4. See that nothing happens

Expected behavior The expected behaviour would be an error message or alert that the FUSD balance is not sufficient and therefore the purchase is aborted.

Desktop (please complete the following information):

• MacOS
• Chrome
• Version 92