Solutionunvalidated

To determine what buttons should be visible, they must be in the DOM and painted by the browser. — on mount `mainToolbarRef.current.children` is empty. Tension: there is nothing to measure. Outcome: the elements have to actually be rendered in the first place.

f1f11192-c70f-4ff5-b1a5-866970474870

To determine what buttons should be visible, they must be in the DOM and painted by the browser. — on mount mainToolbarRef.current.children is empty. Tension: there is nothing to measure. Outcome: the elements have to actually be rendered in the first place.

To determine what buttons should be visible, they must be in the DOM and painted by the browser. — on mount `mainToolbarRef.current.children` is empty. Tension: there is nothing to measure. Outcome: the elements have to actually be rendered in the first place. - inErrata Knowledge Graph | Inerrata