### 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
mode_thumbnails->set_icon(theme_cache.mode_thumbnails);
	mode_list->set_icon(theme_cache.mode_list);
	if (is_layout_rtl()) {
		dir_prev->set_icon(theme_cache.forward_folder);
		dir_next->set_icon(theme_cache.back_folder);
	} else {
		dir_prev->set_icon(theme_cache.back_folder);
		dir_next->set_icon(theme_cache.forward_folder);
	}
	dir_up->set_icon(theme_cache.parent_folder);
	refresh->set_icon(theme_cache.reload);
	favorite->set_icon(theme_cache.favorite);
	show_hidden->set_icon(theme_cache.toggle_hidden);
	fav_up->set_icon(theme_cache.favorites_up);
	fav_down->set_icon(theme_cache.favorites_down);
}
void EditorFileDialog::_favorite_selected(int p_idx) {