Bug 1838915: Fixing problem with brands icons

Problem only exists on older browsers

behatnotneeded

Change-Id: Ie87ef3d3ae8f6bd81ec051afe69dbe0c7d228ea9
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>

htdocs/theme/raw/sass/utilities/_mixins.scss

@@ -66,7 +66,7 @@
         font-weight: 400;
     }
     @else if $type == brands {
-        font-family: "Font Awesome 5 Brands Regular", "Font Awesome 5 Free";
+        font-family: "Font Awesome 5 Brands", "Font Awesome 5 Free";
         font-weight: 400;
     }
     @else {