### Godot version

4.2 dev3

### System information

Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1060 (NVIDIA; 30.0.15.1403) - Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz (8 Threads)

### Issue description

Basically variation of #33995

### Steps to reproduce

1. Open 2D scene
2. Drag a guide
3. Undo
4. Save

### Minimal reproduction project

N/A
ERR_FAIL_COND(!p_control);
	context_menu_hbox->add_child(p_control);
}
void CanvasItemEditor::remove_control_from_menu_panel(Control *p_control) {
	context_menu_hbox->remove_child(p_control);
}
void CanvasItemEditor::add_control_to_left_panel(Control *p_control) {
	left_panel_split->add_child(p_control);
	left_panel_split->move_child(p_control, 0);
}
void CanvasItemEditor::add_control_to_right_panel(Control *p_control) {
	right_panel_split->add_child(p_control);
	right_panel_split->move_child(p_control, 1);
}
void CanvasItemEditor::remove_control_from_left_panel(Control *p_control) {
	left_panel_split->remove_child(p_control);
}
void CanvasItemEditor::remove_control_from_right_panel(Control *p_control) {
	right_panel_split->remove_child(p_control);
}
VSplitContainer *CanvasItemEditor::get_bottom_split() {