chore(angular): upgrade to official 18 release (#29571)

Issue number: internal

---------

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## What is the current behavior?
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Angular 18 test app was using an RC.

## What is the new behavior?
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- Updated to the official release.
- Removed the `--legacy-peer-deps` that is no longer needed

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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## Other information

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N/A

Author: thetaPC

.github/workflows/actions/test-angular-e2e/action.yml

@@ -29,7 +29,7 @@ runs:
       shell: bash
       working-directory: ./packages/angular/test
     - name: Install Dependencies
-      run: npm install --legacy-peer-deps # TODO(FW-6227): Remove legacy-peer-deps flag
+      run: npm install
       shell: bash
       working-directory: ./packages/angular/test/build/${{ inputs.app }}
     - name: Sync Built Changes