[WIP] feat: integrate @legendapp/list for optimized chat rendering

[xcarpentier]

• Added @legendapp/list as a dependency for improved performance in chat rendering.
• Updated ChatSettingsContext to include useLegendList state management.
• Modified ChatDetail and EmptyChatContainer components to utilize useLegendList.
• Implemented MessageContainerSwitch to dynamically choose between the original FlatList and the new Legend List implementation.
• Enhanced chat settings page to allow users to toggle optimized chat rendering.
• Refactored MessageContainer and related components to support the new rendering strategy.

[Copilot]

Pull Request Overview

This PR integrates the @legendapp/list library as an alternative to React Native's FlatList for optimized chat rendering performance. The implementation provides users with a toggle to choose between the original FlatList and the new Legend List implementation.

• Added @legendapp/list dependency and created MessageContainerSwitch for dynamic implementation selection
• Enhanced chat settings to include a toggle for optimized rendering with persistent user preference storage
• Refactored Item components by extracting shared DayWrapper logic into reusable ItemBase module

Reviewed Changes

Copilot reviewed 13 out of 14 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
packages/react-native-gifted-chat/src/components/Item/index.tsx	Removed inline DayWrapper component and updated imports to use shared ItemBase
packages/react-native-gifted-chat/src/components/Item/ItemLegend.tsx	New component implementing Legend List-specific item rendering
packages/react-native-gifted-chat/src/components/Item/ItemBase.tsx	Shared base components and utilities for both FlatList and Legend List implementations
packages/react-native-gifted-chat/src/MessageContainerSwitch.tsx	Dynamic switch component that selects between original and Legend List implementations
packages/react-native-gifted-chat/src/MessageContainerLegend.tsx	Complete Legend List implementation with performance optimizations
packages/react-native-gifted-chat/src/MessageContainerConfig.ts	Configuration file for default implementation selection
packages/react-native-gifted-chat/src/GiftedChat.tsx	Updated to support useLegendList prop and use MessageContainerSwitch
packages/mobile/src/pages/profile/chat-settings.page.tsx	Enhanced settings page with optimized rendering toggle
packages/mobile/src/hooks/chat/useChatSettings.ts	Extended hook to manage Legend List preference
packages/mobile/src/components/Settings/ChatSettingsContext.tsx	Updated context to include Legend List state management
packages/mobile/src/components/Chat/EmptyChatContainer.tsx	Conditional styling based on Legend List usage
packages/mobile/src/components/Chat/ChatDetail.tsx	Integrated useLegendList prop from context
package.json	Added @legendapp/list dependency

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[Copilot]

Pull Request Overview

Copilot reviewed 13 out of 14 changed files in this pull request and generated 3 comments.

Comments suppressed due to low confidence (1)

packages/react-native-gifted-chat/src/MessageContainerLegend.tsx:1

• Commented-out console.log statements should be removed from production code to keep the codebase clean.

import {

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