[fadi-george]

Description

One Line Summary

Adds HTML, Full Bleed, Carousel, and Carousel Bleed IAM buttons to the demo app and lays out all 8 in a 2-column grid.

Details

Motivation

Lets us test the extra IAM layouts from the demo app. Follows the shared spec update in OneSignal/sdk-shared#66 and matches iOS (OneSignal/OneSignal-iOS-SDK#1787).

Scope

• Labels are now Top, Bottom, Center, HTML, Full, Full Bleed, Carousel, Carousel Bleed (uppercased). Existing iam_type values and test IDs (send_iam_{type}_button) are unchanged.
• InAppMessageType: 4 new values. Log names stay long ("Top Banner").
• SendIamSection.xaml: 2-column Grid, row and column spacing 8. Grid buttons use a local style on PrimaryButtonStyle with FontSize=13, Padding=8,0, LineBreakMode=NoWrap (MAUI buttons can't auto-shrink). Other buttons are unchanged.
• Demo app only. No SDK changes.

Testing

Unit testing

None needed, demo UI only.

Manual testing

Ran csharpier check . and dotnet build -f net10.0-android (Debug and Release). Checked the grid on an Android 16 emulator. iOS not built.

Affected code checklist

• Notifications
  • Display
  • Open
  • Push Processing
  • Confirm Deliveries
• Outcomes
• Sessions
• In-App Messaging
• REST API requests
• Public API changes

Checklist

Overview

• I have filled out all REQUIRED sections above
• PR does one thing
• Any Public API changes are explained in the PR details and conform to existing APIs

Testing

• I have included test coverage for these changes, or explained why they are not needed (demo app UI only)
• All automated tests pass, or I explained why that is not possible
• I have personally tested this on my device, or explained why that is not possible

Final pass

• Code is as readable as possible.
• I have reviewed this PR myself, ensuring it meets each checklist item

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