fix(web): add @tanstack/react-virtual to Vite optimizeDeps

Add @tanstack/react-virtual to optimizeDeps.include and resolve.dedupe
to ensure it uses the same React instance as the main app. This fixes
"Cannot read properties of null (reading 'useReducer')" error that
crashed the entire catalogue page.

The error occurred because react-virtual was getting a different React
instance during Vite's dependency pre-bundling.

Author: Mearman

apps/web/vite.config.ts

@@ -168,7 +168,7 @@ function createWebConfig(): UserConfig {
       alias: {
         '@': resolve(__dirname, 'src'),
       },
-      dedupe: ['react', 'react-dom'],
+      dedupe: ['react', 'react-dom', '@tanstack/react-virtual'],
     },
 
     // Development server configuration
@@ -223,6 +223,7 @@ function createWebConfig(): UserConfig {
         'react-dom/client',
         '@tanstack/react-router',
         '@tanstack/react-query',
+        '@tanstack/react-virtual',
         '@mantine/core',
         '@mantine/hooks',
       ],