Sort entries both on the backend and frontend

src/Vegasco-Web/src/app/modules/entries/entries/services/entries-overview.service.ts

@@ -34,10 +34,12 @@ export class EntriesOverviewService {
         return combineLatest([this.cachedCars$!, entries$])
             .pipe(
                 map(([cars, entries]) => {
-                    return entries.map((entry): Consumption => ({
-                        ...entry,
-                        car: cars.find(car => car.id === entry.carId)!
-                    }));
+                    return entries
+                        .sort((a, b) => b.dateTime.localeCompare(a.dateTime))
+                        .map((entry): Consumption => ({
+                            ...entry,
+                            car: cars.find(car => car.id === entry.carId)!
+                        }));
                 })
             )
     }