fix: prefab stage dirty flag, root rename, test fix, and prefab resources#627

dsarno merged 1 commit intoCoplayDev:betaCoplayDev/unity-mcp:betafrom

dsarno:feature/prefab-root-rename-and-text-searchdsarno/unity-mcp:feature/prefab-root-rename-and-text-searchCopy head branch name to clipboard