ENGCOM-2333: [forwardport] #16716 fix _utilities.less font-size issue #16756

 - Merge Pull Request #16756 from Karlasa/magento2:FP-PR-16716
 - Merged commits:
   1. 040e396
   2. a031ef5

Author: magento-engcom-team

lib/web/css/source/lib/_utilities.less

@@ -260,9 +260,8 @@
     @_line-height: normal
 ) {
     .lib-font-size(@_font-size);
-    font-size: @_font-size;
+    .lib-line-height(@_line-height);
     letter-spacing: normal;
-    line-height: @_line-height;
 }
 
 //