fix(ui/QIcon): update regex to support Fontawesome Pro v6

Author: hawkeye64

ui/src/components/icon/QIcon.js

@@ -36,7 +36,7 @@ const imgRE = /^img:/
 const svgUseRE = /^svguse:/
 const ionRE = /^ion-/
 const faLaRE = /^[lf]a[srlbdk]? /
-const fa6RE = /^fa-(brand|regular|solid)/
+const fa6RE = /^fa-(solid|regular|light|brand|duotone|thin)/
 
 export default createComponent({
   name: 'QIcon',