Fix bug in adaptive time-stepping #1226

Job	Run time
Detect File Changes	11s
Self Hosted (cpu, gt)	47m 49s
Github (ubuntu, mpi, debug, true)	41m 51s
Self Hosted (gpu, gt)	3h 27m 15s
Github (ubuntu, mpi, debug, false)	1h 10m 40s
Self Hosted (gpu, frontier)	1h 16m 8s
Github (ubuntu, mpi, no-debug, true)	1h 20m 51s
Github (ubuntu, mpi, no-debug, false)	1h 37m 35s
Github (macos, mpi, debug, false)	25m 47s
Github (macos, mpi, no-debug, false)	39m 3s
Github (ubuntu, no-mpi, no-debug, false)	34m 41s
	12h 1m 51s

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