refactor: replace enabled prop with disabled in DigitalClock

src/containers/DigitalClock.tsx

@@ -2,15 +2,15 @@ import { useState } from "react";
 import { dateToDigital, digitalToDate } from "../utils";
 
 interface DigitalClockProps {
-  enabled: boolean;
   currentTime: Date;
   onTimeChange: (time: Date) => void;
+  disabled?: boolean;
 }
 
 export function DigitalClock({
-  enabled,
   currentTime,
   onTimeChange,
+  disabled = false,
 }: DigitalClockProps) {
   const [inputValue, setInputValue] = useState(dateToDigital(currentTime));
 
@@ -23,8 +23,6 @@ export function DigitalClock({
     }
   };
 
-  if (!enabled) return null;
-
   return (
     <div>
       <span data-testid="digital-clock">{dateToDigital(currentTime)}</span>
@@ -34,6 +32,7 @@ export function DigitalClock({
         value={inputValue}
         onChange={handleChange}
         placeholder="HH:MM:SS"
+        disabled={disabled}
       />
     </div>
   );