Reorder 2 authors to match order in source document

"Sophie Des Clers" is sorted at C for "Clers" in source,
not D for "Des" like in database export.

"A. De La Vega-Leinert" is sorted at V for "Vega" in source,
not D for "De" like in database export.
Add 1 missing author in AR3 WGII Ch13

* 1 CA author: "S.A. Shchuka (Russia)"