message: Query Browser: Resize query textarea to match text
  Set the default textarea height to the number of lines in the query
  text. It is still possible to override by resizing the textarea.
diff: @@ -184,6 +184,9 @@ const QueryInput: React.FC<QueryInputProps> = ({metrics = [], onBlur, onSubmit,
  const functionOptions = token.length < 2 ? [] : prometheusFunctions.filter(a => fuzzy(token, a));
  const metricOptions = token.length < 2 ? [] : metrics.filter(a => fuzzy(token, a));
  + // Set the default textarea height to the number of lines in the query text
  + const rows = _.clamp((value.match(/\n/g) || []).length + 1, 2, 10);
  +
  return <div className="query-browser__query query-browser__inline-control pf-c-dropdown">
  <textarea
  autoFocus
  @@ -193,6 +196,7 @@ const QueryInput: React.FC<QueryInputProps> = ({metrics = [], onBlur, onSubmit,
  onKeyDown={onKeyDown}
  placeholder="Expression (press Shift+Enter for newlines)"
  ref={inputRef}
  + rows={rows}
  value={value}
  />
  {(!_.isEmpty(functionOptions) || !_.isEmpty(metricOptions)) && (
  