XML: metanorma/metanorma-model-iso#94

Support the CSS border-* styles following the whitelist in the ticket above. Break down shorthand for table CSS border-* styles into individual CSS values in Presentation XML, using a CSS parser.

Eliminate the BSI table attribute border-under-row, and for legacy, translate it into a CSS tr styles in the given rows (table-bottom-style: solid for each of the numbered tr given.)