[donkeyProgramming]

PR Classification

Design and feature enhancement: introduces a new SQLite-based caching system for CA pack files, improves performance, and refactors UI for lazy loading.

PR Summary

This PR replaces the binary CA pack file cache with a SQLite/EF Core solution, enabling efficient, lazy file access and directory browsing. It also updates the UI for on-demand tree loading and adds new user settings and localization.

• PackFileContainerCacheHelper, CachedPackFileContainer, and related classes: implement SQLite-based cache, directory queries, and fingerprinting.
• PackFileContainerLoader: refactored to use the new cache, handle cache status dialogs, and progress reporting.
• PackFileBrowserViewModel and tree view logic: refactored for lazy directory loading and correct handling of renames/deletions.
• Adds and updates unit tests for cache, directory queries, and pack file service behaviors.
• Adds new localization strings and a vertex selection color setting in the 3D editor.