feat: improve Predict withdrawal toast messaging (MetaMask#23045)

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## **Description**

Update withdrawal toast messages to be clearer and more user-friendly:
- Simplify pending withdrawal title from "Withdrawing {amount} USDC" to
"Withdrawal in progress"
- Change pending subtitle to "Available in about 1 minute" for clearer
expectation
- Update completed message from "Withdrawal completed" to "Withdrawal
complete"
- Revise completed subtitle to "{amount} USDC moved to your wallet" for
clarity
- Format withdrawal amounts using formatPrice utility for consistent
display

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## **Related issues**

Fixes:
https://consensyssoftware.atlassian.net/browse/PRED-312?atlOrigin=eyJpIjoiYjZjMTlkNjRjYzEwNDY5OGE1ODczMjI4MGRlNGEwYzkiLCJwIjoiaiJ9

## **Manual testing steps**

```gherkin
Feature: my feature name

  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]
```

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### **After**

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## **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
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- [ ] I've manually tested the PR (e.g. pull and build branch, run the
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<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Simplifies Predict withdrawal toasts and locales, removing dynamic
placeholders and formatting amounts with `formatPrice`.
> 
> - **Predict UI**:
>   - `app/components/UI/Predict/hooks/usePredictWithdrawToasts.ts`:
>     - Format confirmed withdrawal amounts with `formatPrice`.
> - Pending toast no longer passes `amount`/`time`; uses static
`withdrawing`/`withdrawing_subtitle` strings.
>     - Updated pending/confirmed toast configs to match new copy.
> - **Locales**:
>   - `locales/languages/en.json`:
> - Simplified `predict.withdraw` strings (static pending
title/subtitle; refined completed title/subtitle).
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
eaaea2d. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Author: caieu

app/components/UI/Predict/hooks/usePredictWithdrawToasts.ts

@@ -6,6 +6,7 @@ import { usePredictToasts } from './usePredictToasts';
 import { PredictWithdrawStatus } from '../types';
 import { useEffect } from 'react';
 import { usePredictBalance } from './usePredictBalance';
+import { formatPrice } from '../utils/format';
 
 export const usePredictWithdrawToasts = () => {
   const { loadBalance } = usePredictBalance();
@@ -21,7 +22,8 @@ export const usePredictWithdrawToasts = () => {
       description: strings('predict.withdraw.withdraw_completed_subtitle', {
         amount: '{amount}',
       }),
-      getAmount: () => withdrawTransaction?.amount.toString() ?? '0',
+      getAmount: () =>
+        formatPrice(withdrawTransaction?.amount.toString() ?? '0'),
     },
     errorToastConfig: {
       title: strings('predict.withdraw.error_title'),
@@ -36,14 +38,9 @@ export const usePredictWithdrawToasts = () => {
   useEffect(() => {
     if (withdrawTransaction?.status === PredictWithdrawStatus.PENDING) {
       showPendingToast({
-        amount: withdrawTransaction?.amount.toString() ?? '0',
         config: {
-          title: strings('predict.withdraw.withdrawing', {
-            amount: '{amount}',
-          }),
-          description: strings('predict.withdraw.withdrawing_subtitle', {
-            time: 30,
-          }),
+          title: strings('predict.withdraw.withdrawing'),
+          description: strings('predict.withdraw.withdrawing_subtitle'),
         },
       });
     }

locales/languages/en.json

@@ -1942,10 +1942,10 @@
       "order_failed_generic": "Transaction failed. Please try again."
     },
     "withdraw": {
-      "withdrawing": "Withdrawing {{amount}} USDC",
-      "withdrawing_subtitle": "Est. {{time}} seconds",
-      "withdraw_completed": "Withdrawal completed",
-      "withdraw_completed_subtitle": "{{amount}} USDC added to your balance",
+      "withdrawing": "Withdrawal in progress",
+      "withdrawing_subtitle": "Available in about 1 minute",
+      "withdraw_completed": "Withdrawal complete",
+      "withdraw_completed_subtitle": "{{amount}} USDC moved to your wallet",
       "error_title": "Something went wrong",
       "error_description": "Failed to proceed with withdraw",
       "try_again": "Try again"