Users unable to login to Premium search in Private windows #56790

Description

On desktop and Android builds, logging into account.brave.com and selecting Open for Premium search will launch a new search tab, logged in as a Premium user. This however does not work on iOS. While you can log into account.brave.com, clicking Open does not launch the site and detect that it's a Premium subscription.

Steps to reproduce

1. Open Private tab on iOS
2. Login to account.brave.com
3. Attempt to launch Premium search session

Actual result

Premium search session does not start

Expected result

User's should be able to use Premium search subscription in Private browsing mode

Reproduces how often

Easily reproduced

Brave version

1.90.2

Device/iOS version

All

Affected browser versions

• latest AppStore
• latest TestFlight
• previous TestFlight

Reproducibility

• with Brave Shields disabled
• in the latest version of mobile Safari

Miscellaneous information

No response