Merge pull request #547 from JuliaSymbolics/s/fix-metadata-prop #782

Job	Run time
ModelingToolkit.jl/All	42m 11s
Catalyst.jl/All	28m 56s
NeuralPDE.jl/NNPDE	26m 30s
DataDrivenDiffEq.jl/Standard	20m 17s
Symbolics.jl/All	10m 31s
ModelOrderReduction.jl/All	25s
	2h 8m 50s

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