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