cons_res: add support for new preempt options

Add support for the new ScheduleParameters of preempt_strict_order
and preempt_reorder_count
re-read auth credential on slow msg forward

The previous logic would get an authentication credential while
waiting for a message to forward. This change will re-read an
authtentication credential if the wait is too long (greater than
or equal to the message timeout).

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