fix: resolve disappearing chapter button in playback queues

[mattsigal]

Pull Request

Summary

Resolves the issue where the OSD Chapter button disappears when playing series episodes via season, shuffle, or play queues.

Related Issues

Link related issues or tickets separated by commas.

• Closes #
• Fixes [UI] [Fire TV] Chapter button disappears when "Next" and "Previous" buttons are visible #435
• Related to #

Type of Change

• Bug fix
• New feature
• Refactor
• Performance improvement
• UI/UX update
• Documentation update
• Build/CI change
• Other (describe):

Changes Made

• Added Chapters field to metadata query arguments in lib/data/viewmodels/item_detail_view_model.dart, lib/di/modules/playback_module.dart, and lib/ui/screens/detail/item_detail_screen.dart (specifically for next-season, shuffle, and episode queues).
• Fixed a broken preference key name check in unit tests (test/preference/audio_migration_test.dart: v1 -> v2) to allow all unit tests to pass cleanly.

Platform

• Android
• iOS
• macOS
• Windows
• Linux
• All / Shared code

Testing

Describe how this change was tested.

• Tested on emulator / simulator
• Tested on physical device
• Manual testing completed
• Not tested (explain why):

Test Steps

1. Play episodes from a series detail screen using a play/shuffle queue.
2. Verify that the Chapter button remains visible in the OSD player bar during playback and correctly populates the chapters list.
3. Advance to the next episode and verify chapters are still successfully queried and visible.

Screenshots (if applicable)

Episode 1:

Episode 2:

Checklist

• Code builds successfully
• Code follows project style and conventions
• No unnecessary commented-out code
• No new warnings introduced

[RadicalMuffinMan]

rebase on main