KB answer-to-answer link slug wrong locale bugfix

app/helpers/knowledge_base_helper.rb

@@ -203,8 +203,8 @@ module KnowledgeBaseHelper
       case node['data-target-type']
       when 'knowledge-base-answer'
         if (translation = KnowledgeBase::Answer::Translation.find_by(id: node['data-target-id']))
-          path = help_answer_path(translation.answer.category.translation,
-                                  translation.answer.translation,
+          path = help_answer_path(translation.answer.category.translation_preferred(translation.kb_locale),
+                                  translation,
                                   locale: translation.kb_locale.system_locale.locale)
 
           node['href'] = custom_path_if_needed path

app/models/concerns/has_translations.rb

@@ -32,6 +32,14 @@ module HasTranslations
     translations.find_by(kb_locale_id: kb_locale_or_id)
   end
 
+  def translation_preferred(kb_locale_or_id)
+    translation_to(kb_locale_or_id) || translation_primary || translations.first
+  end
+
+  def translation_primary
+    translations.joins(:kb_locale).find_by(knowledge_base_locales: { primary: true })
+  end
+
   class_methods do
     def translation_class_name
       "#{name}::Translation"