message: Checking if description is set to use the Hover functionality
diff: import { BackstagePalette, BackstageTheme } from '@backstage/theme';
  import { makeStyles, useTheme } from '@material-ui/core/styles';
  -import { isNull } from 'lodash';
  import { Circle } from 'rc-progress';
  import React, { ReactNode, useEffect, useState } from 'react';
  @@ -139,7 +138,7 @@ export function Gauge(props: GaugeProps) {
  useEffect(() => {
  const node = hoverRef;
  - if (node && !isNull(isHovering)) {
  + if (node && description) {
  node.addEventListener('mouseenter', handleMouseOver);
  node.addEventListener('mouseleave', handleMouseOut);
  