refactor(directory): propagate dir creation error to caller

src/main/java/com/ddf/vodsystem/services/media/StreamActionsService.java

@@ -27,14 +27,13 @@ public class StreamActionsService {
     public CompletableFuture<File> saveSection(
             List<File> segments,
             float trimOffset,
-            float duration
+            float duration,
+            File outputFile
     ) throws IOException, InterruptedException {
         String concatInput = segments.stream()
                 .map(File::getAbsolutePath)
                 .collect(Collectors.joining("|"));
 
-        File outputFile = directoryService.getVodFile(UUID.randomUUID() + ".mp4");
-
         List<String> command = List.of(
                 "ffmpeg",
                 "-y",