Content PR for RichText refactor (#13772)

* Fix examine system after formatted text refactor
Implement key bind markup tag

* Add font prototype definitions

* Update submodule.

---------

Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>

Content.Shared/Examine/ExamineSystemShared.cs

@@ -319,7 +319,7 @@ namespace Content.Shared.Examine
         /// <seealso cref="PushText"/>
         public void PushMessage(FormattedMessage message)
         {
-            if (message.Tags.Count == 0)
+            if (message.Nodes.Count == 0)
                 return;
 
             if (_doNewLine)