[iOS] - Add Leo busy view and Leo session refresh view

[Brandon-T]

Description

• iOS is missing the Session Refresh View and Busy View

Steps to reproduce

1. Become Leo Premium (either via AppStore or via Linking)
2. Get rate limited or session expired (can take a few days)

Actual result

• Shows Premium upgrade prompt instead

Expected result

• Should show Leo busy when rate-limited (activeDisconnected) via AppStore
• Should show Refresh session when rate-limited (activeDisconnected) via Linking from Desktop

Reproduces how often

Easily reproduced

Brave version

1.65.x+

Device/iOS version

iPhone/iPad

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

[kjozwiak]

The above requires 1.68.116 or higher for 1.68.x verification 👍

[hffvld]

Verified on iPhone 14 and iPad Air using version(s):

Device/OS: 
- iPhone 14 / iOS 17.6
- iPad Air / iPadOS 16.7.2
Brave build: 1.68 (134)
BraveCore: 1.68.134 (127.0.6533.88)

Filed follow-up issue #40250

IAP - Leo busy when rate-limited

STEPS:

1. Launch Brave
2. Settings > Leo > Go Premium
3. Purchase Leo subscription
4. Open Leo UI > Confirm that Premium subscription is active
5. Wait ~2 - 3 days > Open Leo > Verify Leo busy prompt must be shown

ACTUAL RESULTS:

• Verify that the Leo busy prompt must be shown when rate-limited (activeDisconnected) via IAP.
• Observed that the Upgrade to Premium prompt is shown instead of the expected prompt.

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Linked from Desktop - Refresh session when rate-limited

STEPS:

1. Purchase Leo premium subscription on Desktop
2. Launch Brave on iOS
3. Go to Settings > Leo > Go premium > Refresh your credentials
4. Link active subscription to iOS device
5. Open Leo > Confirm that Premium subscription is active
6. Wait ~2 - 3 days > Open Leo > Verify Refresh session prompt must be shown

ACTUAL RESULTS:

• Verify that the Refresh session prompt must be shown when rate-limited (activeDisconnected) via Linking from Desktop.
• Observed that the Upgrade to Premium prompt is shown instead of the expected prompt.

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