Fix building preview.js on windows

It seems update to `@fluentui/react-components-9.49.0` broke the build on windows. This PR fixes the issue by pinning 9.48.0 at the last minor version to use.

Author: cderv

src/webui/quarto-preview/deno.lock

@@ -19,7 +19,7 @@
   },
   "dependencies": {
     "@fluentui/react-icons": "^2.0.201",
-    "@fluentui/react-components": "^9.19.1",
+    "@fluentui/react-components": "~9.48.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "ansi-output": "^0.0.1"
@@ -37,4 +37,4 @@
     "vite-plugin-css-injected-by-js": "^3.1.0",
     "vite-plugin-static-copy": "^0.13.0"
   }
-}
+}