message: Fix left panel widgets not remembering collapsed state
  Fixes
  The `setExpanded` function takes a boolean, not a function.
diff: @@ -115,7 +115,7 @@ const LeftPanelWidget: React.FC = () => {
  aria-expanded={expanded}
  aria-level={1}
  onClick={() => {
  - setExpanded(e => !e);
  + setExpanded(!expanded);
  }}
  >
  <span className={classNames({
  