[Bug]: Switching network results wrong account balance

### Describe the bug

When switching network, balance of account will not get updated.

### Steps to reproduce

1. Set up extension in chrome
2. Add polygon and ethereum chains
3. Add different matic from your ethereum balance
4. Switch between ethereum and matic - it will change currency to matic, but balance of ETH

### Error messages or log output

_No response_

### Version

10.8.1

### Build type

_No response_

### Browser

Chrome

### Operating system

MacOS

### Hardware wallet

_No response_

### Additional context

_No response_

No source files, tests, or entry points are named. Reproduce the issue in the Chrome extension using Ethereum and Polygon, then trace network switching and balance updates; done means the displayed balance matches the selected network after each switch.

Written by the indexing model from the issue text.