Link: https://issues.oasis-open.org/browse/OFFICE-4122 Commit: https://git.libreoffice.org/core/+/c893c0e359b82be71107e064bd2266c6daff81d7%5E%21 Adapt code in https://opengrok.libreoffice.org/xref/core/xmloff/source/draw/shapeexport.cxx?r=b904816f#4715 and remove loext:extrusion-specularity-loext from schema. Test: testExtrusionSpecularityExtended