message: Query Browser: Fix required `items` prop sometimes being `undefined`
diff: @@ -274,7 +274,7 @@ const MetricsDropdown_: React.FC<MetricsDropdownProps> = ({
  autocompleteFilter={fuzzyCaseInsensitive}
  disabled={isError}
  id="metrics-dropdown"
  - items={items}
  + items={items || {}}
  menuClassName="query-browser__metrics-dropdown-menu query-browser__metrics-dropdown-menu--insert"
  onChange={onChange}
  title={title}
  