message: Query Browser: For autocomplete, add brackets to aggregation operators
  To be consistent with the function name autocomplete suggestions.
diff: @@ -54,17 +54,17 @@ import { setAllQueryArguments } from '../utils/router';
  import { chartTheme, Labels, QueryObj, QueryBrowser } from './query-browser';
  const aggregationOperators = [
  - 'avg',
  - 'bottomk',
  - 'count',
  - 'count_values',
  - 'max',
  - 'min',
  - 'quantile',
  - 'stddev',
  - 'stdvar',
  - 'sum',
  - 'topk',
  + 'avg()',
  + 'bottomk()',
  + 'count()',
  + 'count_values()',
  + 'max()',
  + 'min()',
  + 'quantile()',
  + 'stddev()',
  + 'stdvar()',
  + 'sum()',
  + 'topk()',
  ];
  const prometheusFunctions = [
  