Fix Cloudflare Pages build (#1285)

* fix(temp): remove box shadows from tailwind config

* fix(temp): "polyfill" global during build process

* refactor: use `import.meta` instead of deprecated `process`

* oops: replace `process.server` as well

apps/frontend/src/plugins/1.theme.js

@@ -5,7 +5,7 @@ export default defineNuxtPlugin(async (nuxtApp) => {
   const cosmetics = useCosmetics();
 
   nuxtApp.hook("app:mounted", () => {
-    if (process.client && themeStore.value.preference === "system") {
+    if (import.meta.client && themeStore.value.preference === "system") {
       const colorSchemeQueryList = window.matchMedia("(prefers-color-scheme: light)");
 
       const setColorScheme = (e) => {