fix: 4279 - Hide token images in AccountListItem

[darkwing]

Description

Hides token image in the AccountListItem on every other build but main

Related issues

Reference: https://github.com/MetaMask/MetaMask-planning/issues/4279

Manual testing steps

1. Start MetaMask with Flask build flag
2. Open account list item
3. Don't see icons

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

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[GuillaumeRx]

This does not fix at all the issue we had

1. As mentioned in the issue, Snaps UI is also something available in the main release making the code-fences here useless and introducing a side effect to the Snap UI component.

2. The balances will still not be aggregated in the two cases exposed in the issues.