Ensure we use correct subplaylist producer when replacing a clip in timeline (eg. when proxying)

src/timeline2/model/timelinemodel.cpp

@@ -4423,6 +4423,7 @@ void TimelineModel::requestClipReload(int clipId)
     int old_trackId = getClipTrackId(clipId);
     int oldPos = getClipPosition(clipId);
     int oldOut = getClipIn(clipId) + getClipPlaytime(clipId);
+    int currentSubplaylist = m_allClips[clipId]->getSubPlaylistIndex();
     int maxDuration = m_allClips[clipId]->getMaxDuration();
     bool hasPitch = false;
     double speed = m_allClips[clipId]->getSpeed();
@@ -4438,7 +4439,7 @@ void TimelineModel::requestClipReload(int clipId)
         getTrackById(old_trackId)->requestClipDeletion(clipId, refreshView, true, local_undo, local_redo, false, false);
     }
     if (old_trackId != -1) {
-        m_allClips[clipId]->refreshProducerFromBin(old_trackId, state, audioStream, 0, hasPitch);
+        m_allClips[clipId]->refreshProducerFromBin(old_trackId, state, audioStream, 0, hasPitch, currentSubplaylist == 1);
         getTrackById(old_trackId)->requestClipInsertion(clipId, oldPos, refreshView, true, local_undo, local_redo);
         if (maxDuration != m_allClips[clipId]->getMaxDuration()) {
             QModelIndex ix = makeClipIndexFromID(clipId);