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.Client/Examine/ExamineSystem.cs

@@ -244,9 +244,15 @@ namespace Content.Client.Examine
                 return;
             }
 
-            foreach (var msg in message.Tags.OfType<FormattedMessage.TagText>())
+            foreach (var msg in message.Nodes)
             {
-                if (string.IsNullOrWhiteSpace(msg.Text)) continue;
+                if (msg.Name != null)
+                    continue;
+
+                var text = msg.Value.StringValue ?? "";
+
+                if (string.IsNullOrWhiteSpace(text))
+                    continue;
 
                 var richLabel = new RichTextLabel() { Margin = new Thickness(4, 4, 0, 4)};
                 richLabel.SetMessage(message);

Content.Client/Guidebook/Richtext/KeyBindTag.cs

@@ -0,0 +1,25 @@
+using JetBrains.Annotations;
+using Robust.Client.Input;
+using Robust.Client.UserInterface.RichText;
+using Robust.Shared.Utility;
+
+namespace Content.Client.Guidebook.Richtext;
+
+[UsedImplicitly]
+public sealed class KeyBindTag : IMarkupTag
+{
+    [Dependency] private readonly IInputManager _inputManager = default!;
+
+    public string Name => "keybind";
+
+    public string TextBefore(MarkupNode node)
+    {
+        if (!node.Value.TryGetString(out var keyBindName))
+            return "";
+
+        if (!_inputManager.TryGetKeyBinding(keyBindName, out var binding))
+            return keyBindName;
+
+        return binding.GetKeyString();
+    }
+}