Performance Overlay - Оверлей Производительности

Version 1.0.2

• Improved benchmark accuracy and made exported metrics independent of overlay visibility.
• Moved CSV writing off the render path to reduce benchmark overhead.
• Fixed benchmark stopping, shutdown, world-leaving, filename collision, and write-error handling.
• Fixed GC reporting, reset behavior, and CSV values.
• Fixed configuration presets, validation, color thresholds, tooltips, and saved settings.
• Fixed benchmark progress, F9/F10 behavior, and three-line overlay formatting.
• Improved low-FPS, stutter, and overlay-rendering performance.
• Added extensive automated tests for metrics, configuration, CSV export, and benchmark lifecycle.