Function scene_node_has_children

perro_editor/res/scripts/scene/editor_nodes.rs:403–408

(doc: &SceneDoc, key: u32)

        let doc = cached_scene_doc_shared(&state.doc_text);
        let Some(node) = cached_scene_node(&state.doc_text, key) else {
            state.log = "node path fail\nmissing node".to_string();
            return;
        };
        state.log = format!("node path\n{}", scene_node_path(&doc, node.key));
    });
    refresh_all(ctx);
}

pub fn scene_node_has_children(doc: &SceneDoc, key: u32) -> bool {