reDateString = function (str) {
  if (str === undefined) { return 'Invalid date'; }
  const format = /* showMs ? 'YYYY/MM/DD HH:mm:ss.SSS z' : */ 'YYYY/MM/DD HH:mm:ss z';
  return moment(str).format(format);
}
Parsing various date strings and converts to our common format

@example
'{{ 2020-07-10 15:00:00.000 | reDateString }}'
this.$options.filters.dateString('2020-07-10 15:00:00.000');

@returns {string} - Our common date string display