fix: initialize i18next before I18nProvider renders to prevent SSR hang

Author: adbergen

src/SEBT.Portal.Web/src/providers/I18nProvider.tsx

@@ -0,0 +1,8 @@
+'use client'
+
+// Initialize i18next before rendering. This side-effect import must run
+// inside a 'use client' boundary because it transitively imports
+// react-i18next (which calls createContext() at module scope).
+import '@/lib/i18n-init'
+
+export { I18nProvider } from '@sebt/design-system/client'

src/SEBT.Portal.Web/src/providers/index.ts

@@ -1,6 +1,6 @@
 export { AuthProvider } from '@/features/auth'
-export { I18nProvider } from '@sebt/design-system/client'
 export { AxeProvider } from './AxeProvider'
 export { DataLayerProvider } from './DataLayerProvider'
 export { FeatureFlagsProvider } from './FeatureFlagsProvider'
+export { I18nProvider } from './I18nProvider'
 export { QueryProvider } from './QueryProvider'