perf: revert InteractiveGermanyMap to dynamic import and use ReactDOM.preload for LCP

app/[locale]/standorte/page.tsx

@@ -7,7 +7,8 @@ import { getButtonClasses, ButtonOverlay } from '@/components/ui/Button';
 import { SITE_URL } from '@/lib/schema';
 import Image from 'next/image';
 import { standorteData, standorteLocations } from '@/lib/standorte-data';
-import { InteractiveGermanyMap } from '@/components/blocks/InteractiveGermanyMap';
+import nextDynamic from 'next/dynamic';
+const InteractiveGermanyMap = nextDynamic(() => import('@/components/blocks/InteractiveGermanyMap').then(mod => mod.InteractiveGermanyMap));
 
 interface PageProps {
   params: Promise<{
@@ -33,11 +34,15 @@ export async function generateMetadata({ params }: { params: Promise<{ locale: s
   };
 }
 
+import { preload } from 'react-dom';
+
 export default async function StandorteOverview(props: { params: Promise<{ locale: string }> }) {
   const { locale } = await props.params;
   const safeLocale = locale === 'de' ? 'de' : 'en';
   setRequestLocale(safeLocale);
   const t = await getTranslations('StandardPage');
+  
+  preload('/germany-map.svg', { as: 'image', fetchPriority: 'high' });
 
   return (
     <div className="flex flex-col min-h-screen bg-neutral-50 pb-16 md:pb-24">