sync demo layout with client 1.0.8

package.json

@@ -18,7 +18,6 @@
     "@mui/material": "^7.1.0",
     "@mui/x-data-grid": "^8.5.1",
     "@photo-sphere-viewer/core": "^5.13.2",
-    "@pixi/react": "^8.0.2",
     "@react-three/drei": "^10.1.2",
     "@react-three/fiber": "^9.1.2",
     "@tailwindcss/vite": "^4.1.8",
@@ -33,7 +32,6 @@
     "overlayscrollbars": "^2.15.1",
     "overlayscrollbars-react": "^0.5.6",
     "path": "^0.12.7",
-    "pixi.js": "^8.10.1",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",
     "react-markdown": "^10.1.0",