message: style(sqllab): fixed button width as label changes
  As the label change from RUN to STOP, the row of button shifts
  left/right. This fixes the width so that it doesn't jitter.
diff: @@ -32,6 +32,9 @@ interface Props {
  stopQuery: () => void;
  sql: string;
  }
  +const commonBtnStyle = {
  + width: '80px',
  +};
  const RunQueryActionButton = ({
  allowAsync = false,
  @@ -51,6 +54,7 @@ const RunQueryActionButton = ({
  bsSize: 'small',
  bsStyle: btnStyle,
  disabled: !dbId,
  + style: commonBtnStyle,
  };
  if (shouldShowStopBtn) {
  