fixed bug in admin panel

admin/src/utils/userFuncs.ts

@@ -1,14 +1,7 @@
 export const formatDateTime = (value: string | null | undefined) => {
   if (!value) return "N/A";
-  const inpDate = new Date(value);
-  if (isNaN(inpDate.getTime())) return "N/A";
-  return (
-    inpDate.toLocaleString(undefined, {
-      year: "numeric",
-      month: "2-digit",
-      day: "2-digit",
-      hour: "2-digit",
-      minute: "2-digit",
-    }) + " Uhr"
-  );
+  const m = value.match(/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})/);
+  if (!m) return "N/A";
+  const [, y, M, d, h, min] = m;
+  return `${d}.${M}.${y} ${h}:${min} Uhr`;
 };