### 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 (mode == FILE_MODE_OPEN_FILES) {
		String fbase = dir_access->get_current_dir();
		Vector<String> files;
		for (int i = 0; i < item_list->get_item_count(); i++) {
			if (item_list->is_selected(i)) {
				files.push_back(fbase.path_join(item_list->get_item_text(i)));
			}
		}
		if (files.size()) {
			_save_to_recent();
			hide();
			emit_signal(SNAME("files_selected"), files);
		}
		return;
	}
	String file_text = file->get_text();
	String f = file_text.is_absolute_path() ? file_text : dir_access->get_current_dir().path_join(file_text);
	if ((mode == FILE_MODE_OPEN_ANY || mode == FILE_MODE_OPEN_FILE) && dir_access->file_exists(f)) {
		_save_to_recent();
		hide();
		emit_signal(SNAME("file_selected"), f);
	} else if (mode == FILE_MODE_OPEN_ANY || mode == FILE_MODE_OPEN_DIR) {
		String path = dir_access->get_current_dir();
		path = path.replace("\\", "/");
		for (int i = 0; i < item_list->get_item_count(); i++) {
			if (item_list->is_selected(i)) {
				Dictionary d = item_list->get_item_metadata(i);