better support set_cycle in drgroup#2016

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excaliburtb wants to merge 3 commits intonasa:masterfrom

excaliburtb:2015-datalog_run_time_set_cycle_isnt_robust

Commits on Dec 16, 2025

Reset the cycle tics when set_cycle or add_cycle is called after a DR group is initialized
excaliburtb
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Commits on Dec 17, 2025

Fixed potential logging offset when checkpoint is taken off the dr group's cycle boundary. Updated test to test this case.
excaliburtb
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Merge branch 'dr_restart_fix' into 2015-datalog_run_time_set_cycle_isnt_robust
excaliburtb
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