### Godot version

4.1.1

### System information

linux

### Issue description

[simplescreenrecorder-2023-08-30_15.01.51.webm](https://github.com/godotengine/godot-proposals/assets/71937306/537d92b9-4f98-4fe6-adf4-71297be0471a)

I guess this wasn't the case before since I could save a layout named "2 monitors".

### Steps to reproduce

press space

### Minimal reproduction project

none
import_bulk_sc->set_custom_minimum_size(Size2(260.0, 0.0) * EDSCALE);
	import_bulk_sc->set_horizontal_scroll_mode(ScrollContainer::SCROLL_MODE_DISABLED);
	import_main_hb->add_child(import_bulk_sc);
	VBoxContainer *import_bulk_vb = memnew(VBoxContainer);
	import_bulk_vb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	import_bulk_sc->add_child(import_bulk_vb);
	Label *import_bulk_label = memnew(Label);
	import_bulk_label->set_text(TTR("Select by data type:"));
	import_bulk_vb->add_child(import_bulk_label);
	select_colors_icon = memnew(TextureRect);
	select_colors_label = memnew(Label);
	deselect_all_colors_button = memnew(Button);
	select_all_colors_button = memnew(Button);
	select_full_colors_button = memnew(Button);
	total_selected_colors_label = memnew(Label);
	select_constants_icon = memnew(TextureRect);
	select_constants_label = memnew(Label);
	deselect_all_constants_button = memnew(Button);
	select_all_constants_button = memnew(Button);
	select_full_constants_button = memnew(Button);
	total_selected_constants_label = memnew(Label);
	select_fonts_icon = memnew(TextureRect);
	select_fonts_label = memnew(Label);
	deselect_all_fonts_button = memnew(Button);
	select_all_fonts_button = memnew(Button);
	select_full_fonts_button = memnew(Button);
	total_selected_fonts_label = memnew(Label);
	select_font_sizes_icon = memnew(TextureRect);
	select_font_sizes_label = memnew(Label);
	deselect_all_font_sizes_button = memnew(Button);