formatPostProcessedValue = (data, field) => {
  return applyPostProcess(field.postProcess, formatValue(data, field), { data });
}
Finds the specified value in data and returns the value in its most-formatted usable form
and runs this value through any post-processors in the field's postProcess
@param data the object in which to search for the value specified by field
@param field the object that describes the value's type and location in data
@param field.postProcess the optional PostProcessor(s) to be applied while finding data
@returns {string|array|object}