Restore 8acfab54 for impact-reg-konfai 1.8.6

Presets for impact-reg-konfai 1.8.7: one IMPACT loss, sized from their declared cost

Write the configs in KonfAI 1.8.7's spellings

fix: drop ImpactWriteFeatureMaps, which elastix-IMPACT replaced

feat: nine base presets, one per engine and per recommended pairing