[MMI] passing the selectedAddress field (#21617)

## **Description**

In MMI we need the address selected to be sent in the properties, so in
order to have that we get the `selectedAddress` from preferences state
and pass it to the `mmiProps` object.


## **Related issues**

Fixes: #

## **Manual testing steps**

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

## **Screenshots/Recordings**

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before and after of your change. -->

### **Before**

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### **After**

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## **Pre-merge author checklist**

- [x] I’ve followed [MetaMask Coding
Standards](https://github.com/MetaMask/metamask-extension/blob/develop/.github/guidelines/CODING_GUIDELINES.md).
- [x] I've clearly explained:
  - [x] What problem this PR is solving.
  - [x] How this problem was solved.
  - [x] How reviewers can test my changes.

## **Pre-merge reviewer checklist**

- [x] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [x] 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.

app/scripts/controllers/metametrics.js

@@ -144,6 +144,10 @@ export default class MetaMetricsController {
     this.extension = extension;
     this.environment = environment;
 
+    ///: BEGIN:ONLY_INCLUDE_IN(build-mmi)
+    this.selectedAddress = prefState.selectedAddress;
+    ///: END:ONLY_INCLUDE_IN
+
     const abandonedFragments = omitBy(initState?.fragments, 'persist');
     const segmentApiCalls = initState?.segmentApiCalls || {};
 
@@ -712,6 +716,10 @@ export default class MetaMetricsController {
     if (this.extension?.runtime?.id) {
       mmiProps.extensionId = this.extension.runtime.id;
     }
+
+    if (this.selectedAddres) {
+      mmiProps.accountAddress = this.selectedAddres;
+    }
     ///: END:ONLY_INCLUDE_IN
 
     return {