### 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_current_path_line_edit_text(current_path);
	toolbar_hbc->add_child(current_path_line_edit);
	button_reload = memnew(Button);
	button_reload->connect("pressed", callable_mp(this, &FileSystemDock::_rescan));
	button_reload->set_focus_mode(FOCUS_NONE);
	button_reload->set_tooltip_text(TTR("Re-Scan Filesystem"));
	button_reload->hide();
	toolbar_hbc->add_child(button_reload);
	button_toggle_display_mode = memnew(Button);
	button_toggle_display_mode->connect("pressed", callable_mp(this, &FileSystemDock::_change_split_mode));
	button_toggle_display_mode->set_focus_mode(FOCUS_NONE);
	button_toggle_display_mode->set_tooltip_text(TTR("Change Split Mode"));
	button_toggle_display_mode->set_flat(true);
	toolbar_hbc->add_child(button_toggle_display_mode);
	toolbar2_hbc = memnew(HBoxContainer);
	toolbar2_hbc->add_theme_constant_override("separation", 0);
	top_vbc->add_child(toolbar2_hbc);
	tree_search_box = memnew(LineEdit);
	tree_search_box->set_h_size_flags(SIZE_EXPAND_FILL);
	tree_search_box->set_placeholder(TTR("Filter Files"));
	tree_search_box->connect("text_changed", callable_mp(this, &FileSystemDock::_search_changed).bind(tree_search_box));
	toolbar2_hbc->add_child(tree_search_box);
	tree_button_sort = _create_file_menu_button();
	toolbar2_hbc->add_child(tree_button_sort);
	file_list_popup = memnew(PopupMenu);
	add_child(file_list_popup);
	tree_popup = memnew(PopupMenu);
	add_child(tree_popup);
	split_box = memnew(SplitContainer);
	split_box->set_v_size_flags(SIZE_EXPAND_FILL);