fix: Update public partials to fix help center search (#5713)

app/views/public/api/v1/models/_article.json.jbuilder

@@ -9,7 +9,7 @@ json.last_updated_at article.updated_at
 
 if article.portal.present?
   json.portal do
-    json.partial! 'api/v1/accounts/portals/portal', formats: [:json], portal: article.portal
+    json.partial! 'public/api/v1/models/hc/portal', formats: [:json], portal: article.portal
   end
 end
 
@@ -25,14 +25,14 @@ json.views article.views
 
 if article.author.present?
   json.author do
-    json.partial! 'api/v1/models/agent', formats: [:json], resource: article.author
+    json.partial! 'public/api/v1/models/hc/author', formats: [:json], resource: article.author
   end
 end
 
 json.associated_articles do
   if article.associated_articles.any?
     json.array! article.associated_articles.each do |associated_article|
-      json.partial! 'api/v1/accounts/articles/associated_article', formats: [:json], article: associated_article
+      json.partial! 'public/api/v1/models/hc/associated_article', formats: [:json], article: associated_article
     end
   end
 end

app/views/public/api/v1/models/hc/_associated_article.json.jbuilder

@@ -10,6 +10,6 @@ json.views article.views
 
 if article.author.present?
   json.author do
-    json.partial! 'api/v1/models/agent', formats: [:json], resource: article.author
+    json.partial! 'public/api/v1/models/portal/author', formats: [:json], resource: article.author
   end
 end

app/views/public/api/v1/models/hc/_author.json.jbuilder

@@ -0,0 +1,3 @@
+json.available_name resource.available_name
+json.name resource.name
+json.thumbnail resource.avatar_url