### Tested versions

Caused by [0d6300d269b818e6c3d3ea9cbc592480103aa6d0] Fix folder color not showing up in file dialogs
https://github.com/godotengine/godot/pull/84837
(git bisection)

### System information

Godot v4.3.dev (6faa5c6dc) - Fedora Linux 39 (Workstation Edition) - Wayland - Vulkan (Forward+) - dedicated AMD Radeon RX Vega (RADV VEGA10) () - AMD Ryzen 7 5800X 8-Core Processor (16 Threads)

### Issue description

When opening the export path, it results in a black popup.

![image](https://github.com/godotengine/godot/assets/270928/d67dee6a-f1e1-4bf3-8a3f-419554269f4a)


### Steps to reproduce

1. Open export settings
2. Add an export target
3. Try to select an export path

### Minimal reproduction project (MRP)

n/a
if (p_mouse_button_index != MouseButton::RIGHT && p_mouse_button_index != MouseButton::LEFT) {
		return;
	}
	
	for (int i = 0; i < item_list->get_item_count(); i++) {
		item_list->deselect(i);
	}
	if (p_mouse_button_index != MouseButton::RIGHT) {
		return;
	}
	item_menu->clear();
	item_menu->reset_size();
	if (can_create_dir) {
		item_menu->add_icon_item(theme_cache.folder, TTR("New Folder..."), ITEM_MENU_NEW_FOLDER, KeyModifierMask::CMD_OR_CTRL | Key::N);
	}
	item_menu->add_icon_item(theme_cache.reload, TTR("Refresh"), ITEM_MENU_REFRESH, Key::F5);
#if !defined(ANDROID_ENABLED) && !defined(WEB_ENABLED)
	
	item_menu->add_separator();
	item_menu->add_icon_item(theme_cache.filesystem, TTR("Open in File Manager"), ITEM_MENU_SHOW_IN_EXPLORER);
#endif
	item_menu->set_position(item_list->get_screen_position() + p_pos);
	item_menu->reset_size();
	item_menu->popup();
}
void EditorFileDialog::_item_menu_id_pressed(int p_option) {