Prevent saved devnet account listed twice - Closes #1049

[slaweet]

What was the problem?

See #1049 .
The root cause was that when changing address -> peerAddress in saved accounts, it was not done in one place in savedAcconts middleware.

How did I fix it?

I changed address -> peerAddress in one place in savedAcconts middleware

How to test it?

Follow steps in #1049

Review checklist

• The PR solves Accounts: You can have listed 2 accounts of the same address in devnet #1049
• The PR follows our Test guide
• The PR follows our CSS guide

[michaeltomasik]

Thanks 👍

[Efefefef]

Good