fix high order stability #631

Job	Run time
list-examples	7s
examples/machine-learning/example_born_fully_connected.jl on Julia 1.8	8m 49s
examples/machine-learning/example_extended_source.jl on Julia 1.8	11m 29s
examples/machine-learning/example_extended_source_cnn.jl on Julia 1.8	10m 0s
examples/scripts/extended_source_lsqr.jl on Julia 1.8	7m 54s
examples/scripts/fwi_example_2D.jl on Julia 1.8	9m 41s
examples/scripts/fwi_example_ADloss.jl on Julia 1.8	11m 20s
examples/scripts/fwi_example_NLopt.jl on Julia 1.8	8m 8s
examples/scripts/fwi_example_constraints.jl on Julia 1.8	8m 55s
examples/scripts/fwi_example_minConf.jl on Julia 1.8	10m 17s
examples/scripts/fwi_example_studentst.jl on Julia 1.8	8m 31s
examples/scripts/fwi_gauss_newton.jl on Julia 1.8	11m 35s
examples/scripts/illum.jl on Julia 1.8	9m 51s
examples/scripts/imaging_conditions.jl on Julia 1.8	7m 50s
examples/scripts/lsrtm_2D.jl on Julia 1.8	12m 10s
examples/scripts/modeling_basic_2D.jl on Julia 1.8	8m 58s
examples/scripts/modeling_basic_3D.jl on Julia 1.8	8m 9s
examples/scripts/modeling_basic_elastic.jl on Julia 1.8	7m 15s
examples/scripts/modeling_extended_source_2D.jl on Julia 1.8	8m 30s
examples/scripts/modeling_extended_source_3D.jl on Julia 1.8	9m 38s
examples/scripts/modeling_medical_2D.jl on Julia 1.8	9m 18s
examples/scripts/modeling_wavefields_2D.jl on Julia 1.8	8m 3s
examples/scripts/splsrtm_2D.jl on Julia 1.8	11m 22s
examples/scripts/modeling_basic_2D.jl on Julia 1.6	8m 56s
examples/scripts/modeling_basic_2D.jl on Julia 1.7	8m 40s
	3h 45m 26s

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