[Replay] Implement option to skip empty sections (#7069)

* add settings

* [Replay] Implement option to skip empty sections

* correct starting offset

cockatrice/src/interface/widgets/replay/replay_manager.h

@@ -31,6 +31,7 @@ class ReplayManager : public QObject
     QTimer *rewindBufferingTimer;
 
     qreal timeScaleFactor = 1.0;
+    bool skipEmptySections = false;
 
     int currentVisualTime = 0;    ///< time currently displayed by the timeline
     int currentProcessedTime = 0; ///< time that events are currently processed up to. Could differ from visual time due
@@ -41,6 +42,7 @@ class ReplayManager : public QObject
     void handleBackwardsSkip(bool doRewindBuffering);
     void processRewind();
     void processNewEvents(PlaybackMode playbackMode);
+    void handleSkipEmptySection();
 
 private slots:
     void replayTimerTimeout();
@@ -63,6 +65,7 @@ public:
     }
 
     void setTimeScaleFactor(qreal _timeScaleFactor);
+    void setSkipEmptySections(bool value);
 
 public slots:
     void startReplay();