update(graph): mutate elements arr on updateEdge

Signed-off-by: Braks <78412429+bcakmakoglu@users.noreply.github.com>

src/utils/graph.ts

@@ -136,7 +136,7 @@ export const updateEdge = (oldEdge: Edge, newConnection: Connection, elements: E
     sourceHandle: newConnection.sourceHandle,
     targetHandle: newConnection.targetHandle,
   }
-
+  elements.splice(elements.indexOf(foundEdge), 1, edge)
   return elements.filter((e) => e.id !== oldEdge.id).concat(edge)
 }