### 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
paginator->update(page_index, max_page);
		paginator->set_visible(max_page > 0);
		int amount = MIN(size - offset, page_length);
		for (int i = 0; i < amount; i++) {
			bool reorder_is_from_current_page = reorder_from_index / page_length == page_index;
			if (reorder_is_from_current_page && i == reorder_from_index % page_length) {
				
				continue;
			}
			if (!reorder_is_from_current_page && i == reorder_to_index % page_length) {
				
				
				
				continue;
			}
			HBoxContainer *hbox = memnew(HBoxContainer);
			property_vbox->add_child(hbox);
			Button *reorder_button = memnew(Button);
			reorder_button->set_icon(get_theme_icon(SNAME("TripleBar"), SNAME("EditorIcons")));
			reorder_button->set_default_cursor_shape(Control::CURSOR_MOVE);
			reorder_button->set_disabled(is_read_only());
			reorder_button->connect("gui_input", callable_mp(this, &EditorPropertyArray::_reorder_button_gui_input));
			reorder_button->connect("button_down", callable_mp(this, &EditorPropertyArray::_reorder_button_down).bind(i + offset));
			reorder_button->connect("button_up", callable_mp(this, &EditorPropertyArray::_reorder_button_up));
			hbox->add_child(reorder_button);
			String prop_name = "indices/" + itos(i + offset);
			EditorProperty *prop = nullptr;
			Variant value = array.get(i + offset);
			Variant::Type value_type = value.get_type();
			if (value_type == Variant::NIL && subtype != Variant::NIL) {