Repair some odd code in tree manager

include/core/solver/solver_manager.h

@@ -175,9 +175,10 @@ class SolverManager
 
         virtual bool isStateBlockFloating(const StateBlockPtr& state_ptr) const final;
 
-        virtual bool isFactorRegistered(const FactorBasePtr& fac_ptr) const final;
         virtual bool isStateBlockFixed(const StateBlockPtr& st) final;
 
+        virtual bool isFactorRegistered(const FactorBasePtr& fac_ptr) const final;
+
         virtual bool hasThisLocalParametrization(const StateBlockPtr& st,
                                                  const LocalParametrizationBasePtr& local_param) final;
 

include/core/tree_manager/tree_manager_base.h

@@ -90,7 +90,7 @@ class TreeManagerBase : public NodeBase
             params_(_params)
         {}
 
-        ~TreeManagerBase() override{}
+        virtual ~TreeManagerBase() {}
 
         virtual void keyFrameCallback(FrameBasePtr _key_frame) = 0;