Toolbar template has deprecated value in D11

Problem/Motivation

Steps to reproduce

Run Upgrade Status Module for Drupal 11 and scan a Bootstrap Barrio 5.5 theme.
Returns: Since twig/twig 3.12: Twig Filter "spaceless" is deprecated. See https://drupal.org/node/3071078.

Proposed resolution

Remove/replace deprecated value.

Remaining tasks

User interface changes

API changes

Data model changes