resolve datetime conflict for notifications

src/utils/date/formatTime.ts

@@ -1,5 +1,5 @@
 
-export default function formatTime(d: string | Date | null | undefined): string {
+export default function formatTime(d: string | Date | number | null | undefined): string {
   if (!d) return "Heure inconnue";
 
   const date = d instanceof Date ? d : new Date(d);