### Godot version

v4.2.beta.custom_build [a574c0296]

### System information

linux

### Issue description

Folder colors don't show up in file dialogs: when saving a scene, etc.

### Steps to reproduce

1. color a folder
2. create and open the save scene dialog and navigate to the colored folder
3. notice it's not shown its color in the file dialog

### Minimal reproduction project

any
set_process(false);
	preview_waiting = false;
	if (p_preview.is_valid() && get_current_path() == p_path) {
		preview->set_texture(p_preview);
		if (display_mode == DISPLAY_THUMBNAILS) {
			preview_vb->hide();
		} else {
			preview_vb->show();
		}
	} else {
		preview_vb->hide();
		preview->set_texture(Ref<Texture2D>());
	}
}
void EditorFileDialog::_request_single_thumbnail(const String &p_path) {
	if (!FileAccess::exists(p_path) || !previews_enabled) {
		return;
	}
	set_process(true);
	preview_waiting = true;
	preview_wheel_timeout = 0;
	EditorResourcePreview::get_singleton()->queue_resource_preview(p_path, this, "_thumbnail_done", p_path);
}
void EditorFileDialog::_action_pressed() {