Optional event fired when the contributed actions may have changed (e.g. because a setting that gates
them was toggled). The chat view listens to it and re-renders the node toolbars, so contributions can
update live without waiting for the next response.
Optional event fired when the contributed actions may have changed (e.g. because a setting that gates them was toggled). The chat view listens to it and re-renders the node toolbars, so contributions can update live without waiting for the next response.