### Godot version

v4.0.stable.official [92bee43ad]

### System information

Linux - v4.0.stable.official [92bee43ad]

### Issue description

It gives you the possibility of removing unexisting key/value pairs from a dictionary.

### Steps to reproduce

![image](https://github.com/godotengine/godot/assets/69520693/35beadbe-bfdd-4176-9b26-222bbf69cafa)
![image](https://github.com/godotengine/godot/assets/69520693/7ed647e0-a2af-4e58-9f00-f77b7bc7bb02)
![image](https://github.com/godotengine/godot/assets/69520693/f08bf824-8408-45eb-bb84-f1dc7e19e392)


### Minimal reproduction project

N/A
container = nullptr;
		}
		return;
	}
	object->set_array(array);
	int size = array.call("size");
	int max_page = MAX(0, size - 1) / page_length;
	page_index = MIN(page_index, max_page);
	int offset = page_index * page_length;
	edit->set_text(vformat(TTR("%s (size %s)"), array_type_name, itos(size)));
	bool unfolded = get_edited_object()->editor_is_section_unfolded(get_edited_property());
	if (edit->is_pressed() != unfolded) {
		edit->set_pressed(unfolded);
	}
	if (unfolded) {
		updating = true;
		if (!container) {
			container = memnew(MarginContainer);
			container->set_theme_type_variation("MarginContainer4px");
			add_child(container);
			set_bottom_editor(container);
			VBoxContainer *vbox = memnew(VBoxContainer);
			container->add_child(vbox);
			HBoxContainer *hbox = memnew(HBoxContainer);
			vbox->add_child(hbox);
			Label *size_label = memnew(Label(TTR("Size:")));
			size_label->set_h_size_flags(SIZE_EXPAND_FILL);
			hbox->add_child(size_label);
			size_slider = memnew(EditorSpinSlider);
			size_slider->set_step(1);