message: Monitoring: Add missing `key` prop to silence form's dropdown items
diff: @@ -220,7 +220,9 @@ const SilenceForm_: React.FC<SilenceFormProps> = ({ defaults, Info, title }) =>
  };
  const dropdownItems = _.map(durations, (displayText, key) => (
  - <DropdownItem onClick={() => setDuration(key)}>{displayText}</DropdownItem>
  + <DropdownItem key={key} onClick={() => setDuration(key)}>
  + {displayText}
  + </DropdownItem>
  ));
  return (
  