[Frontiers journals]: Sort inline citations by year (#4364)

Author: 0ut0fcontrol

frontiers.csl

@@ -102,8 +102,8 @@
   </macro>
   <citation et-al-min="3" et-al-use-first="1" disambiguate-add-year-suffix="true" collapse="year">
     <sort>
-      <key macro="author-short"/>
       <key macro="year-date"/>
+      <key macro="author-short"/>
     </sort>
     <layout prefix="(" suffix=")" delimiter="; ">
       <group delimiter=", ">