[iPad] `Block 'Switch to App' Notices` setting is not applied because `Desktop Site` version is used on iPad by default

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Description:

Block 'Switch to App' Notices setting is not applied because the Desktop Site version is used on iPad by default.

Steps to Reproduce

1. Launch Brave on iPad
2. Three-dot menu > Settings > Brave Shields & Privacy
3. Scroll down and find Block 'Switch to App' Notices > Turn it OFF
4. Close the settings and go to any of these websites: https://linkedin.com, https://reddit.com, https://twitter.com or https://google.com/maps
5. Observe that no bottom sheet pop-up is shown saying that you can continue using the browser or open it in the app

Actual result:

Block 'Switch to App' Notices setting is not applied because the Desktop Site version is used on iPad by default. If the user wants to see that pop-up message, they must switch to Desktop Site manually for each separate website.

This issue applies to iPhones as well, but by default all websites are using Mobile Site, so to get this issue reproduced, users must do the opposite steps.

1	2

2024-02-02_16-08-28.mp4

Expected result:

Block 'Switch to App' Notices setting must be applied for both versions of the website Desktop Site and Mobile Site.

Reproduces how often: [Easily reproduced, Intermittent Issue]

Easily reproduced

Brave Version:

Brave build: 1.62 (24.2.1.15)
BraveCore: 1.62.158 (121.0.6167.139)

• Can you reproduce this issue with the most recent build from TestFlight? YES
• Can you reproduce this issue with the previous version of the current build from TestFlight? YES
• Can you reproduce this issue with the current build from AppStore? YES

Device details:

iPad Air / iPadOS 16.7.2

Website problems only:

• did you check with Brave Shields down?
• did you check in Safari/Firefox (WkWebView-based browsers)?

Additional Information