wip: don't lock command mutex for each mass/spring in FillGraph()

src/state.cpp

@@ -37,12 +37,12 @@ auto StateManager::FillGraph() -> void {
 
   std::pair<std::unordered_set<State>, std::vector<std::pair<State, State>>>
       closure = current_state.Closure();
-  for (const auto &state : closure.first) {
-    physics.AddMassCmd(state);
-  }
-  for (const auto &[from, to] : closure.second) {
-    physics.AddSpringCmd(from, to);
-  }
+
+  physics.AddMassSpringsCmd(closure.first, closure.second);
+
+  // TODO: We have only dispatched the commands, the states won't be downloaded
+  //       when calling this... Make FindWinningStates() another command?
+  //       Or recalculate whenever masses.size() changes?
   FindWinningStates();
 }