Rework to weak_ptr from lots of shared_ptr.

src/interaction-manager.h

@@ -7,10 +7,12 @@
 #include "graph-item.h"
 #include "graph-manager.h"
 #include "interaction-event.h"
+#include "node.h"
 #include "raylib.h"
 #include "signal-manager.h"
 #include "state.h"
 #include "canvas.h"
+#include <algorithm>
 #include <memory>
 
 namespace VISEQ::INTERACTION{
@@ -64,7 +66,7 @@ namespace VISEQ::INTERACTION{
 
 			void update(){
 				if(KEYS_DOWN.ctrl && IsKeyPressed(KEY_C)){
-					VEC_SPTR_Node selected_nodes = gm->getSelection();
+					VEC_WPTR_Node selected_nodes = gm->getSelection();
 					if(!selected_nodes.empty()) cb.pushNodes(selected_nodes);
 				}