MOBILEWEBVIEW-31: support featureToggle section in config

[sergeysozinov]

https://tracker.yandex.ru/MOBILEWEBVIEW-31

[Copilot]

Pull request overview

This PR implements support for a featureToggles section in the configuration, specifically adding a shouldSendInAppShowError toggle. The implementation includes parsing logic with robust error handling, state management, and comprehensive test coverage.

Changes:

• Added FeatureTogglesDto and FeatureTogglesDtoBlank data classes to represent feature toggle configuration
• Implemented FeatureToggleManager to manage toggle state with thread-safe storage
• Integrated feature toggle parsing and application into the configuration flow with fallback to false for invalid values

Reviewed changes

Copilot reviewed 26 out of 26 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
InAppConfigResponse.kt	Added FeatureTogglesDto data classes to configuration models
FeatureToggleManager.kt	Defined interface and enum for feature toggle management
FeatureToggleManagerImpl.kt	Implemented thread-safe feature toggle state management
FeatureTogglesDtoBlankDeserializer.kt	Created custom deserializer with strict boolean type validation
JsonElementExtensions.kt	Added helper function for safe boolean extraction from JSON
MobileConfigRepositoryImpl.kt	Integrated feature toggle parsing and application into config flow
MobileConfigSerializationManagerImpl.kt	Added featureToggles parsing to settings deserialization
InAppMessageViewDisplayerImpl.kt	Added logging for feature toggle state
DataModule.kt	Registered FeatureToggleManager in dependency injection
PresentationModule.kt	Updated InAppMessageViewDisplayerImpl instantiation with FeatureToggleManager
Test files	Added comprehensive tests for feature toggle functionality and error handling

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