Fix syncrunner extracting Streams unnecessarily.

src/main/java/me/kavin/piped/utils/matrix/SyncRunner.java

@@ -141,8 +141,10 @@ public class SyncRunner implements Runnable {
                                                 info.getViews(),
                                                 info.getDuration(),
                                                 info.getTitle())) {
-                                            VideoHelpers.handleNewVideo("https://www.youtube.com/watch?v=" + info.getVideoId(),
-                                                    System.currentTimeMillis(), null);
+                                            var channel = DatabaseHelper.getChannelFromId(info.getUploaderId());
+                                            if (channel != null)
+                                                VideoHelpers.handleNewVideo("https://www.youtube.com/watch?v=" + info.getVideoId(),
+                                                        System.currentTimeMillis(), channel);
                                         }
 
                                     });