Fix issue with crashing when having no entries today

frontend/src/lib/components/Energy/EnergyToday.svelte

@@ -34,9 +34,10 @@
 		remainingToday = $settingsStore.target;
 		let now = new Date();
 		let todayDate = formatter.format(now);
-		const [day, month, year] = todayDate.split('/');
+		const [day, month, year] = todayDate.split("/");
 		todayDate = `${year}-${month}-${day}`;
 
+		if ($foodStore) {
 			$foodStore.forEach((food) => {
 				if (food.date.split("T")[0] == todayDate) {
 					remainingToday -= food.energy;
@@ -44,6 +45,7 @@
 					return;
 				}
 			});
+		}
 		remainingToday = Math.round(remainingToday);
 		computeColor();
 	}