chore: remove unused esbuild-polyfill and suppress Rolldown inject warning

Remove @esbuild-plugins/node-globals-polyfill (redundant since Vite 8
rolldownOptions.define handles globalThis). Add rolldownOptions.checks
to suppress PREFER_BUILTIN_FEATURE until Vite exposes output in rolldownOptions.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package-lock.json

@@ -77,7 +77,6 @@
       },
       "devDependencies": {
         "@element-hq/element-call-embedded": "0.19.4",
-        "@esbuild-plugins/node-globals-polyfill": "0.2.3",
         "@rollup/plugin-inject": "5.0.5",
         "@rollup/plugin-wasm": "6.2.2",
         "@semantic-release/exec": "7.1.0",
@@ -1913,15 +1912,6 @@
       "integrity": "sha512-30FAj7/EoJ5mwVPOWhAyCX+FPfMDrVecJAM+Iw9NRoSl4BBAQeqj4cApHHUXOVvIPgLVDsCFoz/hGD+5QQD1GQ==",
       "license": "MIT"
     },
-    "node_modules/@esbuild-plugins/node-globals-polyfill": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/@esbuild-plugins/node-globals-polyfill/-/node-globals-polyfill-0.2.3.tgz",
-      "integrity": "sha512-r3MIryXDeXDOZh7ih1l/yE9ZLORCd5e8vWg02azWRGj5SPTuoh69A2AIyn0Z31V/kHBfZ4HgWJ+OK3GTTwLmnw==",
-      "dev": true,
-      "peerDependencies": {
-        "esbuild": "*"
-      }
-    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.28.0",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.28.0.tgz",

package.json

@@ -130,7 +130,6 @@
   },
   "devDependencies": {
     "@element-hq/element-call-embedded": "0.19.4",
-    "@esbuild-plugins/node-globals-polyfill": "0.2.3",
     "@rollup/plugin-inject": "5.0.5",
     "@rollup/plugin-wasm": "6.2.2",
     "@semantic-release/exec": "7.1.0",

vite.config.js

@@ -2,9 +2,9 @@ import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
 import { sentryVitePlugin } from '@sentry/vite-plugin';
 import { wasm } from '@rollup/plugin-wasm';
+import inject from '@rollup/plugin-inject';
 import { viteStaticCopy } from 'vite-plugin-static-copy';
 import { vanillaExtractPlugin } from '@vanilla-extract/vite-plugin';
-import inject from '@rollup/plugin-inject';
 import { VitePWA } from 'vite-plugin-pwa';
 import fs from 'fs';
 import path from 'path';
@@ -137,6 +137,7 @@ export default defineConfig({
     outDir: 'dist',
     sourcemap: process.env.SENTRY_AUTH_TOKEN ? 'hidden' : false,
     copyPublicDir: false,
+    rolldownOptions: { checks: { preferBuiltinFeature: false } },
     rollupOptions: {
       plugins: [inject({ Buffer: ['buffer', 'Buffer'] })],
       output: {