### 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
popup_centered_clamped(Size2(1050, 700) * EDSCALE, 0.8);
	_focus_file_text();
}
void EditorFileDialog::_focus_file_text() {
	int lp = file->get_text().rfind(".");
	if (lp != -1) {
		file->select(0, lp);
		file->grab_focus();
	}
}
VBoxContainer *EditorFileDialog::get_vbox() {
	return vbox;
}
void EditorFileDialog::_update_theme_item_cache() {