MOBILEWEBVIEW-60: add timeToDisplay for Inapp.Show action

[sergeysozinov]

https://tracker.yandex.ru/MOBILEWEBVIEW-60

[Copilot]

Pull request overview

This PR adds timeToDisplay tracking and tags support for InApp.Show actions to measure and report how long it takes to prepare and render in-app messages, with optional tag metadata.

Changes:

• Added tags field to InApp data models and DTOs to support optional metadata
• Implemented timeToDisplay calculation by tracking preparation and rendering timestamps
• Updated InApp.Show action serialization to include timeToDisplay and tags

Reviewed changes

Copilot reviewed 29 out of 29 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
ConfigWithSettingsABTestsMonitoringInapps.json	Added tags field to test configuration
InAppStub.kt	Updated stub objects to include tags parameter
InAppMessageManagerTest.kt	Updated tests to handle Pair<InApp, Long> and timeProvider mock
InAppMessageDelayedManagerTest.kt	Updated tests to pass preparedTimeMs and handle Pair return type
InAppInteractorImplTest.kt	Updated tests for Pair<InApp, Long> return type and fixed Form.copy calls
InAppRepositoryTest.kt	Updated tests for new sendInAppShown signature with timeToDisplay and tags
InAppMapperTest.kt	Added comprehensive tests for tags mapping scenarios
MobileConfigSerializationManagerTest.kt	Added tests for tags deserialization with various edge cases
InAppSerializationManagerTest.kt	Refactored tests and added serialization tests for InAppShowRequest
InAppTagsDeserializerTest.kt	New test file for custom tags deserializer
InAppConfigResponse.kt	Added tags field to DTOs with custom deserializer
InAppHandleRequest.kt	Added InAppShowRequest data class
WebViewInappViewHolder.kt	Added error cleanup calls (release/hide)
InAppMessageViewDisplayerImpl.kt	Added onRenderStart callback handling
InAppMessageViewDisplayer.kt	Added onRenderStart parameter to interface
InAppMessageManagerImpl.kt	Implemented timeToDisplay calculation and handleInAppShown
InAppMessageDelayedManager.kt	Modified to track and propagate preparedTimeMs
InAppTypeWrapper.kt	Added onRenderStart callback field
InAppConfig.kt	Added tags field to InApp data class
InAppRepository.kt	Updated sendInAppShown signature
InAppSerializationManager.kt	Split serialization into action-specific methods
InAppInteractor.kt	Updated interface for timeToDisplay support
InAppInteractorImpl.kt	Implemented preparation time tracking
InAppRepositoryImpl.kt	Updated to use new serialization methods
InAppMapper.kt	Added tags mapping logic with empty map filtering
InAppSerializationManagerImpl.kt	Implemented separate serialization for show and action events
InAppTagsDeserializer.kt	New deserializer filtering non-string tag values
PresentationModule.kt	Added timeProvider dependency injection
kmp-common-sdk	Updated submodule commit reference

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