OEL-779: Fix icon at links for authentication and language blocks.

templates/overrides/navigation/block--oe-authentication-login_block.html.twig

@@ -19,11 +19,9 @@
   {{ pattern('link', {
     label: link_title,
     path: content['#url']|render,
-    icon: {
-      name: 'person-fill',
-      size: 'xs'
-    },
+    icon: 'person-fill',
     icon_position: 'before',
+    standalone: true,
     attributes: extra_attributes
   }) }}
 </li>

templates/overrides/navigation/links--language-block.html.twig

@@ -35,11 +35,9 @@
   {{ pattern('link', {
     label: link_title,
     path: _language.link.href,
-    icon: {
-      name: 'chat-left-dots-fill',
-      size: 'xs'
-    },
+    icon: 'chat-left-dots-fill',
     icon_position: 'before',
+    standalone: true,
     attributes: extra_attributes
   }) }}
 </li>