0 balance being returned by v2/blockchain/wallet/balance
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### Summary
Many users are reporting that their tokens have disappeared from the Minds site, but are still present on Metamask.
* https://www.minds.com/newsfeed/1039979537764175872?referrer=nemofin
* https://www.minds.com/newsfeed/1040514369536634880?referrer=nemofin
* https://www.minds.com/newsfeed/1040389763391864832?referrer=nemofin
### Steps to reproduce
1. Check /wallet
### Platform information
Cross-platform web.
### What is the current *bug* behavior?
Balance returned is 0
### What is the expected *correct* behavior?
Balance returned should be 0 only if the address holds no MINDS.
### Relevant logs and/or screenshots

### Possible fixes
(If you can, link to the line of code that might be responsible for the problem)
/label ~"T \- Bug" ~"S \- Triage:new"
issue