refactor: replace enabled prop with disabled in DigitalClock

src/containers/TimeConverter.tsx

@@ -7,7 +7,6 @@ import { dateToBerlin } from "../utils";
 export function TimeConverter() {
   const { currentTime, setCurrentTime } = useCurrentTime();
   const [useSystemTime, setUseSystemTime] = useState(false);
-  const enabled = !useSystemTime;
   const berlinClock = dateToBerlin(currentTime);
 
   return (
@@ -26,11 +25,11 @@ export function TimeConverter() {
         />
         Use system time
       </label>
-      <BerlinClock enabled={enabled} clock={berlinClock} />
+      <BerlinClock enabled={true} clock={berlinClock} />
       <DigitalClock
-        enabled={enabled}
         currentTime={currentTime}
         onTimeChange={setCurrentTime}
+        disabled={useSystemTime}
       />
     </div>
   );