fix: ui customizations for redesigned transactions (#28443)

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## **Description**

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## **Related issues**

Fixes: #28322
Fixes: #28339

## **Manual testing steps**

1. Go to this page...
2.
3.

## **Pre-merge author checklist**

- [x] I've followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask
Extension Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've completed the PR template to the best of my ability
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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).
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Co-authored-by: Vinicius Stevam <45455812+vinistevam@users.noreply.github.com>

app/scripts/lib/transaction/metrics.ts

@@ -998,7 +998,7 @@ async function buildEventFragmentProperties({
   }
   const isRedesignedConfirmationsDeveloperSettingEnabled =
     transactionMetricsRequest.getIsRedesignedConfirmationsDeveloperEnabled() ||
-    Boolean(process.env.ENABLE_CONFIRMATION_REDESIGN);
+    process.env.ENABLE_CONFIRMATION_REDESIGN === 'true';
 
   const isRedesignedTransactionsUserSettingEnabled =
     transactionMetricsRequest.getRedesignedTransactionsEnabled();

app/scripts/metamask-controller.js

@@ -6554,10 +6554,12 @@ export default class MetamaskController extends EventEmitter {
         );
       },
       getRedesignedConfirmationsEnabled: () => {
-        return this.preferencesController.getRedesignedConfirmationsEnabled;
+        return this.preferencesController.state.preferences
+          .redesignedConfirmationsEnabled;
       },
       getRedesignedTransactionsEnabled: () => {
-        return this.preferencesController.getRedesignedTransactionsEnabled;
+        return this.preferencesController.state.preferences
+          .redesignedTransactionsEnabled;
       },
       getMethodData: (data) => {
         if (!data) {