UI Tweaks
UI Tweaks

- tab header stretches across available width

#5539

davidwatkins73/waltz-dev,davidwatkins73/waltz-dev,khartec/waltz,kamransaleem/waltz,khartec/waltz,khartec/waltz,davidwatkins73/waltz-dev,davidwatkins73/waltz-dev,kamransaleem/waltz,kamransaleem/waltz,khartec/waltz,kamransaleem/waltz