Adjustments and fixes:
1. The shortcut key to display FPS is changed from "F12" to "F".
2. Fix the problem that light-colored long curtains cannot be placed under certain circumstances.
3. Fix the problem that the furniture on the carpet cannot place items.
4. Fix the abnormal movement of items in special circumstances in edit mode.
5. Adjust the menu animation effect.
6. Adjust some text content.
7. Optimize performance.
8. Significantly reduce the consumption of GPU resources by a large number of lights in the scene.