[Bug]: MetaMask balance is incorrectly displaying million dollar values.

### Describe the bug

When MetaMask main wallet balance is over one million dollars, it is showing an incorrect amount (shows $1, instead of $1,000,000)

### Expected behavior

Show the correct dollar amount and digits.

### Screenshots/Recordings

### Steps to reproduce

1. Have 1 million dollars total as main MetaMask balance.
2. See incorrect balance shown.

### Error messages or log output

```shell

```

### Where was this bug found?

Live version (from official store)

### Version

13.39.2

### Build type

_No response_

### Browser

Chrome

### Operating system

Windows

### Hardware wallet

_No response_

### Additional context

_No response_

### Severity

_No response_

Start by reproducing the issue in MetaMask 13.39.2 on Chrome with a main wallet balance over one million dollars. Trace the balance display entry point and verify the completed change shows the full dollar amount and digits rather than a truncated value.

Written by the indexing model from the issue text.