Resolve "HasStateBlocks::addStateBlock() needs to register SB's"

Closes #292 (closed)

src/frame/frame_base.cpp

@@ -321,7 +321,7 @@ void FrameBase::setProblem(ProblemPtr _problem)
 
     NodeBase::setProblem(_problem);
     if (this->isKey())
-        registerNewStateBlocks(getProblem());
+        registerNewStateBlocks(_problem);
 
     for (auto cap : capture_list_)
         cap->setProblem(_problem);