chore: adjust manual chunks (#6368)

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6368-chore-adjust-manual-chunks-29b6d73d36508185a1bcdc77d4fd7519)
by [Unito](https://www.unito.io)

vite.config.mts

@@ -209,7 +209,7 @@ export default defineConfig({
       ? [
           visualizer({
             filename: 'dist/stats.html',
-            open: false,
+            open: true,
             gzipSize: true,
             brotliSize: true,
             template: 'treemap' // or 'sunburst', 'network'
@@ -242,8 +242,12 @@ export default defineConfig({
             return 'vendor-chart'
           }
 
-          if (id.includes('three') || id.includes('@xterm')) {
-            return 'vendor-visualization'
+          if (id.includes('three')) {
+            return 'vendor-three'
+          }
+
+          if (id.includes('@xterm')) {
+            return 'vendor-xterm'
           }
 
           if (id.includes('/vue') || id.includes('pinia')) {