That was more like workaround which solved particular issue with freestyle
rendering, but introduced some more uncontrollable issues, main of which is
recursive fracture would likely suffer from non-manifolds results of previous
step.
Boolean operation is not the only way to generate zero-area face, it could
also happen with character animation and it's indeed better be solved from
freestule side.
This should fix: #33041 Boolean difference sometimes produces meshes with holes
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