message: fix: Fixes email body when sharing a chart by email
diff: @@ -266,6 +266,7 @@ class SliceHeaderControls extends React.PureComponent {
  copyMenuItemTitle={t('Copy chart URL')}
  emailMenuItemTitle={t('Share chart by email')}
  emailSubject={t('Superset chart')}
  + emailBody={t('Check out this chart: ')}
  addSuccessToast={addSuccessToast}
  addDangerToast={addDangerToast}
  />
  