add start date to StreamResponse for frontend

src/main/java/com/ddf/vodsystem/controllers/StreamController.java

@@ -58,8 +58,8 @@ public class StreamController {
         Optional<Stream> stream = streamService.getActiveStream();
         return stream.map(value -> ResponseEntity.ok(new APIResponse<>(SUCCESS,
                 "Streaming status retrieved",
-                new StreamResponse(true, value.getId())))).orElseGet(() -> ResponseEntity.ok(new APIResponse<>(SUCCESS,
+                new StreamResponse(true, value.getId(), value.getStartDate())))).orElseGet(() -> ResponseEntity.ok(new APIResponse<>(SUCCESS,
                 "Streaming status retrieved",
-                new StreamResponse(false, null))));
+                new StreamResponse(false, null, null))));
     }
 }

src/main/java/com/ddf/vodsystem/controllers/dto/StreamResponse.java

@@ -1,7 +1,10 @@
 package com.ddf.vodsystem.controllers.dto;
 
+import java.time.Instant;
+
 public record StreamResponse(
         boolean isStreaming,
-        Long id
+        Long id,
+        Instant startTime
 ) {
 }