### Godot version

Godot 4.1-beta2

### System information

Manjaro Gnome, Intel Core i7-11800H

### Issue description

On a relatively modern laptop (Intel Core i7-11800H), in a scene with many scripted nodes (total of 900+ with roughly half of them scripted), adding or duplicating a node freezes the editor for several seconds. Godot 4.0.2 handles such scenes much better!

Here is a flame graph captured while repeatedly duplicating simple Marker2D nodes with Ctrl+D in a complicated scene:
![Screenshot from 2023-06-15 23-54-38](https://github.com/godotengine/godot/assets/2766569/d0019f17-9b82-4a26-9b47-71fa7a3bef3a)

Performance data file to use with hotspot v1.4.1 (relevant data starts at the 75-second mark and lasts about 20+ seconds):
[perf.data.perfparser.zip](https://github.com/godotengine/godot/files/11763700/perf.data.perfparser.zip)



### Steps to reproduce

1) Add 1000 nodes with a script attached.
2) Duplicate a node and witness lags.

Also affects scrolling the scene tree dock.

### Minimal reproduction project

[add_node_lags_repro.zip](https://github.com/godotengine/godot/files/11763731/add_node_lags_repro.zip)

_update_title();
	_update_scene_tabs();
	_add_to_recent_scenes(lpath);
	if (editor_folding.has_folding_data(lpath)) {
		editor_folding.load_scene_folding(new_scene, lpath);
	} else if (EDITOR_GET("interface/inspector/auto_unfold_foreign_scenes")) {
		editor_folding.unfold_scene(new_scene);
		editor_folding.save_scene_folding(new_scene, lpath);
	}
	prev_scene->set_disabled(previous_scenes.size() == 0);
	opening_prev = false;
	SceneTreeDock::get_singleton()->set_selected(new_scene);
	EditorDebuggerNode::get_singleton()->update_live_edit_root();
	push_item(new_scene);
	
	if (editor_state_cf->has_section_key("editor_states", "selected_nodes")) {
		TypedArray<NodePath> selected_node_list = editor_state_cf->get_value("editor_states", "selected_nodes", TypedArray<String>());
		for (int i = 0; i < selected_node_list.size(); i++) {
			Node *selected_node = new_scene->get_node_or_null(selected_node_list[i]);
			if (selected_node) {
				editor_selection->add_node(selected_node);
			}
		}
	}
	if (!restoring_scenes) {
		save_editor_layout_delayed();
	}
	return OK;
}
HashMap<StringName, Variant> EditorNode::get_modified_properties_for_node(Node *p_node) {