fix: 倍速未还原、上一视频无法记忆播放

lib/pages/video/detail/view.dart

@@ -165,6 +165,7 @@ class _VideoDetailPageState extends State<VideoDetailPage>
     videoIntroController.isPaused = false;
     if (_extendNestCtr.position.pixels == 0 && autoplay) {
       await Future.delayed(const Duration(milliseconds: 300));
+      plPlayerController!.seekTo(videoDetailController.defaultST);
       plPlayerController?.play();
     }
     plPlayerController?.addStatusLister(playerListener);

lib/plugin/pl_player/controller.dart

@@ -418,6 +418,8 @@ class PlPlayerController {
     // 设置倍速
     if (_playbackSpeed.value != 1.0) {
       await setPlaybackSpeed(_playbackSpeed.value);
+    } else {
+      await setPlaybackSpeed(1.0);
     }
 
     // if (_looping) {