feat: remove mock seedless controller from performance tests

[grvgoel81]

Description

This PR scopes Metro and OAuth mock behavior so onboarding performance tests can use the real seedless-onboarding controller

Jira: https://consensyssoftware.atlassian.net/browse/TO-677

Changelog

CHANGELOG entry: null

Related issues

Fixes:

Manual testing steps

Feature: Seedless performance and QA mock OAuth

  Scenario: Performance seedless onboarding completion
    Given SEEDLESS_ONBOARDING_ENABLED and performance onboarding env are configured for BrowserStack
    When the seedless Apple or Google performance onboarding test runs through onboarding success and Predict dismiss
    Then the test passes without waiting on wallet main screen and reported timers exclude post-wallet steps

Screenshots/Recordings

Before

After

Screen.Recording.2026-04-13.at.10.29.10.AM.mov

Screen.Recording.2026-04-13.at.10.27.03.AM.mov

Screen.Recording.2026-04-13.at.12.44.04.PM.mov

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Mobile Coding Standards.
• I've completed the PR template to the best of my ability
• I've included tests if applicable
• I've documented my code using JSDoc format if applicable
• I've applied the right labels on the PR (see labeling guidelines). 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).
• 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.

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Note

Medium Risk
Medium risk because it changes how E2E_MOCK_OAUTH routes through token exchange and seedless authentication and adjusts Metro module mocking behavior, which can affect CI/E2E flows and UAT OAuth config selection.

Overview
Onboarding performance runs now use the real seedless onboarding controller while still supporting a QA-mock OAuth token exchange path, so TOPRF auth can run against live nodes.

This adds OAUTH_BUILD_TYPE=main_uat to Bitrise BrowserStack builds and allows overriding OAuth config via process.env.OAUTH_BUILD_TYPE. The QA mock token exchange now generates a unique +e2e@web3auth.io email by default, uses real-ish OAuth client IDs in mocks, and always proceeds to seedless authenticate (removing the prior short-circuit), with updated tests and improved mock server logging/fallback behavior.

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🔍 Smart E2E Test Selection

⏭️ Smart E2E selection skipped - draft PR

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
96.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

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✅ E2E Fixture Validation — Schema is up to date
12 value mismatches detected (expected — fixture represents an existing user).
View details