Inspector - Improved handling of IL2CPP members

[ManlyMarco]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors the Inspector functionality to improve handling of IL2CPP members by extracting member collection logic into dedicated classes and adding specialized IL2CPP cache entries with better UI distinction.

• Extracted member collection logic from Inspector.InspectorTab.cs into a new MemberCollector class for better separation of concerns
• Added specialized IL2CPP cache entry classes to provide better handling of IL2CPP runtime members
• Enhanced UI to visually distinguish between native (IL2CPP) and managed (BepInEx) members with color coding and separate toggle controls

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
MemberCollector.cs	New file containing extracted member collection logic with IL2CPP-specific handling
Inspector.cs	Updated UI controls and filtering logic to distinguish IL2CPP and managed members
Inspector.InspectorTab.cs	Refactored to use new MemberCollector class instead of inline member collection
MemberCollector.IL2CPP.cs	New IL2CPP-specific cache entry classes and helper methods
MethodCacheEntry.cs	Changed field visibility to support inheritance in IL2CPP classes
CacheEntryBase.cs	Changed field visibility to support inheritance in IL2CPP classes
RuntimeUnityEditor.Core.projitems	Added new files to project compilation

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