Bug: Balance takes a long time to load

## Description
The balance takes a long time to load in the wallet.

## Steps to Reproduce
1. Open MetaMask Mobile
2. Observe the balance loading time

## Expected Behavior
Balance should load quickly without noticeable delay.

## Actual Behavior
Balance takes a long time to load.

## Environment
- Reported from: MetaMask Extension version 13.18.99 (similar issue may affect mobile)
- Platform: iOS/Android

## Screenshot
A screenshot was provided showing the wallet interface with tokens displayed (Ethereum, Aave USDC, Solana, MetaMask USD, AMD, USDC, Bitcoin, etc.).

## Additional Context
Reported via Slack #metamask-productops-war-room

Reproduce the balance-loading delay in MetaMask Mobile on iOS or Android, using the reported wallet view and token list as the observable case. Trace the balance-loading entry point and compare the behavior with the reported Extension version 13.18.99; done means the balance loads without a noticeable delay.

Written by the indexing model from the issue text.