Go over command outputs and ensure no information is lost in the transition; e.g. the workflow `show` output

[mattlord]

For show it's time_heartbeat, time_throttled, component_throttled, defer_secondary_keys, rows_copied that we lose in vtctldclient:

• vtctlclient:

  vitess/go/vt/wrangler/vexec.go

  Lines 705 to 724 in 315c48b

  	query := `select
  	id,
  	source,
  	pos,
  	stop_pos,
  	max_replication_lag,
  	state,
  	db_name,
  	time_updated,
  	transaction_timestamp,
  	time_heartbeat,
  	time_throttled,
  	component_throttled,
  	message,
  	tags,
  	workflow_type,
  	workflow_sub_type,
  	defer_secondary_keys,
  	rows_copied
  	from _vt.vreplication`

• vtctldclient:

  vitess/go/vt/vtctl/workflow/server.go

  Lines 380 to 400 in 315c48b

  	query := fmt.Sprintf(`
  	SELECT
  	id,
  	workflow,
  	source,
  	pos,
  	stop_pos,
  	max_replication_lag,
  	state,
  	db_name,
  	time_updated,
  	transaction_timestamp,
  	message,
  	tags,
  	workflow_type,
  	workflow_sub_type
  	FROM
  	_vt.vreplication
  	%s`,
  	where,
  	)