Fix fluid_rho broadcast using MPI_LOGICAL instead of mpi_p #4385

Job	Run time
Lint Gate	1m 18s
Detect File Changes	12s
Github (ubuntu, mpi, debug, false)	2h 50m 58s
Github (ubuntu, mpi, no-debug, false)	2h 15m 25s
Github (ubuntu, mpi, debug, true)	1h 29m 26s
Github (macos, mpi, no-debug, false)	1h 5m 36s
Georgia Tech \| Phoenix (gpu-acc)	18h 27m 34s
Github (ubuntu, mpi, no-debug, true)	1h 34m 42s
Georgia Tech \| Phoenix (gpu-omp)	3h 10m 27s
Oak Ridge \| Frontier (gpu-omp)	1s
Github (ubuntu, no-mpi, single, no-debug, false)	28m 55s
Github (macos, mpi, debug, false)	54m 20s
Georgia Tech \| Phoenix (cpu)	1s
Oak Ridge \| Frontier (AMD) (cpu)	1s
Oak Ridge \| Frontier (AMD) (gpu-omp)	1s
Oak Ridge \| Frontier (cpu)	18h 27m 34s
Oak Ridge \| Frontier (gpu-acc)	18h 27m 34s
	2d 21h 14m 5s

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