clip: use footage label by default rather than copied label

app/node/block/clip/clip.cpp

@@ -69,7 +69,9 @@ ClipBlock::ClipBlock() :
 
 QString ClipBlock::Name() const
 {
-  if (track()) {
+  if (connected_viewer_ && !connected_viewer_->GetLabel().isEmpty()) {
+    return connected_viewer_->GetLabel();
+  } else if (track()) {
     if (track()->type() == Track::kVideo) {
       return tr("Video Clip");
     } else if (track()->type() == Track::kAudio) {

app/widget/timelinewidget/tool/import.cpp

@@ -424,7 +424,6 @@ void ImportTool::DropGhosts(bool insert, MultiUndoCommand *parent_command)
         ClipBlock* clip = new ClipBlock();
         block = clip;
         clip->set_media_in(ghost->GetMediaIn());
-        clip->SetLabel(footage_stream.footage->GetLabel());
         command->add_child(new NodeAddCommand(dst_graph, clip));
 
         // Position clip in its own context