FIX: Post revision respects 'prioritize_full_name_in_ux' setting (#31293)

WIP

Before:
![Screenshot 2025-02-11 at 6 21
19 PM](https://github.com/user-attachments/assets/408b99a0-860a-47a0-a5e6-178583bcf17e)


After:
![Screenshot 2025-02-11 at 6 20
58 PM](https://github.com/user-attachments/assets/e70edb94-b927-43e7-99c4-23041759f47f)

app/assets/javascripts/discourse/app/components/modal/history/revision.hbs

@@ -7,7 +7,11 @@
       class="revision-details__user"
     >
       {{bound-avatar-template @model.avatar_template "small"}}
-      {{@model.username}}
+      {{#if this.siteSettings.prioritize_full_name_in_ux}}
+        {{@model.acting_user_name}}
+      {{else}}
+        {{@model.username}}
+      {{/if}}
     </LinkTo>
     <PluginOutlet
       @name="revision-user-details-after"

app/assets/javascripts/discourse/app/components/modal/history/revision.js

@@ -3,4 +3,5 @@ import { service } from "@ember/service";
 
 export default class Revision extends Component {
   @service site;
+  @service siteSettings;
 }

app/serializers/post_revision_serializer.rb

@@ -18,6 +18,7 @@ class PostRevisionSerializer < ApplicationSerializer
              # from the user
              :username,
              :display_username,
+             :acting_user_name,
              :avatar_template,
              # all the changes
              :edit_reason,
@@ -96,6 +97,10 @@ class PostRevisionSerializer < ApplicationSerializer
     user.username
   end
 
+  def acting_user_name
+    user.name
+  end
+
   def avatar_template
     user.avatar_template
   end