When creating new Node from custom class, why not extend attached script by default?

[sulianthual]

The editor UI workflow is different for built-in Node classes vs custom class Node, this confuses me why not make it the same?

• If I add a built-in Node (e.g. "Node") to my SceneTree (which I seek in the "Create Node" dropdown menu), it appears without a script attached. If I attach a script it inherits from that class (extends Node).
• Now If I do the same for a custom class Node (e.g. "MegaNode"), it appears WITH the class script attached ("class_name MegaNode"). I must now remember to extend the attached script.

This is error prone: I must follow different steps for same result, I dont remember well which Nodes are built-in or custom, and there are not much visual indicators to distinguish. So I propose this CHANGE:

• If you add a custom Node (e.g. "MegaNode"), it appears without the class script attached. If you attach a script it is directly an extended script that inherits from that class ("extends MegaNode").

Thanks for considering.