Notifications management and rendering refactoring.

With warning notification Model out of bed reworked to not show after dismiss.

src/slic3r/GUI/3DScene.hpp

@@ -569,6 +569,7 @@ public:
     // returns true if all the volumes are completely contained in the print volume
     // returns the containment state in the given out_state, if non-null
     bool check_outside_state(const DynamicPrintConfig* config, ModelInstanceEPrintVolumeState* out_state);
+    bool check_outside_state(const DynamicPrintConfig* config, bool& partlyOut, bool& fullyOut);
     void reset_outside_state();
 
     void update_colors_by_extruder(const DynamicPrintConfig* config);