successfully transmit block map

Requires a binary data type, which requires a new project serializer

app/node/project/serializer/serializer210907.cpp

@@ -156,6 +156,20 @@ ProjectSerializer210907::LoadData ProjectSerializer210907::Load(Project *project
   // Make connections
   PostConnect(xml_node_data);
 
+  // Resolve tracks
+  for (Node *n : project->nodes()) {
+    n->SetCachesEnabled(true);
+
+    if (Track *t = dynamic_cast<Track *>(n)) {
+      for (int i = 0; i < t->InputArraySize(Track::kBlockInput); i++) {
+        Block *b = static_cast<Block*>(t->GetConnectedOutput(Track::kBlockInput, i));
+        if (!b->track()) {
+          t->AppendBlock(b);
+        }
+      }
+    }
+  }
+
   return LoadData();
 }