…tion rows cp-7.78.0 (#30502)

## **Description**

Fixes missing token icons in confirmation rows when token metadata is
unavailable in local token state. The confirmation `TokenIcon` now falls
back to the shared MetaMask token icon URL when it has an address, chain
ID, and symbol, while still rendering nothing when neither token
metadata nor a symbol is available.

This also passes the receive token symbol from `PayWithRow` into
`TokenIcon`, so Perps and Predict deposit/withdraw rows can render the
token icon fallback for mUSD and other supported ERC-20 tokens with
missing local metadata.

## **Changelog**

CHANGELOG entry: Show fallback token icons in confirmation rows

## **Related issues**

Fixes: https://consensyssoftware.atlassian.net/browse/CONF-1411

## **Manual testing steps**

```gherkin
Feature: Confirmation token icon fallback

  Scenario: user withdraws mUSD from Perps or Predict
    Given the user has an mUSD balance
    And the user starts a Perps or Predict withdraw flow

    When the Receive row displays mUSD
    Then the mUSD token icon is shown next to the token symbol
```

## **Screenshots/Recordings**

### **Before**


### **After**

N/A

## **Pre-merge author checklist**

- [ ] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile
Coding
Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [ ] I've completed the PR template to the best of my ability
- [x] I've included tests if applicable
- [ ] I've documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [ ] I've applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

#### Performance checks (if applicable)

- [ ] I've tested on Android
  - Ideally on a mid-range device; emulator is acceptable
- [ ] I've tested with a power user scenario
- Use these [power-user
SRPs](https://consensyssoftware.atlassian.net/wiki/spaces/TL1/pages/edit-v2/401401446401?draftShareId=9d77e1e1-4bdc-4be1-9ebb-ccd916988d93)
to import wallets with many accounts and tokens
- [ ] I've instrumented key operations with Sentry traces for production
performance metrics
- See [`trace()`](/app/util/trace.ts) for usage and
[`addToken`](/app/components/Views/AddAsset/components/AddCustomToken/AddCustomToken.tsx#L274)
for an example

For performance guidelines and tooling, see the [Performance
Guide](https://consensyssoftware.atlassian.net/wiki/spaces/TL1/pages/400085549067/Performance+Guide+for+Engineers).

## **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.

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> **Low Risk**
> Low risk UI change that only affects how token icons are
resolved/rendered in confirmation rows. Main risk is incorrect fallback
URL generation for some chains, but it’s covered by new unit tests.
> 
> **Overview**
> Fixes missing token icons in confirmation flows by updating
`TokenIcon` to accept an optional `symbol` and, when local token
metadata is absent, fall back to a MetaMask-hosted token icon URL (while
still rendering nothing when neither metadata nor `symbol` is
available).
> 
> Updates `PayWithRow` to pass the displayed token `symbol` into
`TokenIcon` (notably for *Receive/withdraw* rows), and expands unit
tests to validate symbol propagation and fallback URL generation across
multiple supported chains.
> 
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit
8921cc4. Bugbot is set up for automated
code reviews on this repo. Configure
[here](https://www.cursor.com/dashboard/bugbot).</sup>
<!-- /CURSOR_SUMMARY -->