XWIKI-22425: "edit this page" link is still not underlined even if the...

XWIKI-22425: "edit this page" link is still not underlined even if the 'Underline links' setting is set to 'Only Inline Links'
* Extended the definition of the helper classes to fit the use here, and added a comment to avoid doing the same mistake later on.

xwiki-platform-core/xwiki-platform-flamingo/xwiki-platform-flamingo-skin/xwiki-platform-flamingo-skin-resources/src/main/resources/flamingo/less/general.less

@@ -213,11 +213,14 @@ body {
     }
 
     // Helper classes for easier content customization. Note that those only work for this preference.
-    #xwikicontent .force-no-underline a {
+    // This class can either be used on a common parent or the links themselves.
+    #xwikicontent .force-no-underline a,
+    #xwikicontent a.force-no-underline {
       text-decoration: none;
     }
 
-    .force-underline a {
+    .force-underline a,
+    a.force-underline {
       text-decoration: underline;
     }
   }