[Task]: Reset authentication if JWT expired or username/password changed.

[Tuditi]

Task description

It might be that authentication for a node changes, so we need a way to handle expired JWTs or changed username/passwords.

Requirements

TBD

Creation checklist

• I have assigned this task to the correct people
• I have added the most appropriate labels
• I have linked the correct milestone and/or project

[Tuditi]

Blocked until: iotaledger-archive/wallet.rs#1690