feat: Adds support for superscript in help center articles (#7279)

- Adds support for superscript when rendering article markdown
- Chatwoot Markdown Render to render markdown everywhere

Co-authored-by: Sojan <sojan@pepalo.com>

app/controllers/public/api/v1/portals/articles_controller.rb

@@ -43,8 +43,6 @@ class Public::Api::V1::Portals::ArticlesController < Public::Api::V1::Portals::B
   end
 
   def render_article_content(content)
-    # rubocop:disable Rails/OutputSafety
-    CommonMarker.render_html(content).html_safe
-    # rubocop:enable Rails/OutputSafety
+    ChatwootMarkdownRenderer.new(content).render_article
   end
 end

app/helpers/message_format_helper.rb

@@ -7,8 +7,6 @@ module MessageFormatHelper
   end
 
   def render_message_content(message_content)
-    # rubocop:disable Rails/OutputSafety
-    CommonMarker.render_html(message_content).html_safe
-    # rubocop:enable Rails/OutputSafety
+    ChatwootMarkdownRenderer.new(message_content).render_message
   end
 end

app/views/mailers/conversation_reply_mailer/conversation_transcript.html.erb

@@ -7,7 +7,7 @@
   <tr>
     <td style="padding-bottom: 16px;">
       <% if message.content %>
-        <%= CommonMarker.render_html(message.content).html_safe %>
+        <%= ChatwootMarkdownRenderer.new(message_content).render_message %>
       <% end %>
       <% if message.attachments %>
         <% message.attachments.each do |attachment| %>

app/views/mailers/conversation_reply_mailer/email_reply.html.erb

@@ -1,5 +1,5 @@
 <% if @message.content %>
-  <%= CommonMarker.render_html(@message.content).html_safe %>
+  <%= ChatwootMarkdownRenderer.new(@message.content).render_message %>
 <% end %>
 <% if @message.attachments %>
   <% @message.attachments.each do |attachment| %>

app/views/mailers/conversation_reply_mailer/reply_with_summary.html.erb

@@ -13,7 +13,7 @@
       <% if (message.content_type == 'input_csat' && message.message_type == 'template') %>
         <p>Click <a href="<%= message.conversation.csat_survey_link %>" _target="blank">here</a> to rate the conversation.</p>
       <% elsif message.content.present? %>
-        <%= CommonMarker.render_html(message.content).html_safe %>
+        <%= ChatwootMarkdownRenderer.new(message.content).render_message %>
       <% end %>
       <% if message.attachments.count.positive? %>
         <p>

app/views/mailers/conversation_reply_mailer/reply_without_summary.html.erb

@@ -1,7 +1,7 @@
 <% @messages.each do |message| %>
   <p style="font-family: Roboto,"Helvetica Neue",Tahoma,Arial,sans-serif; text-align: start; unicode-bidi: plaintext;">
     <% if message.content %>
-      <%= CommonMarker.render_html(message.content).html_safe %>
+      <%= ChatwootMarkdownRenderer.new(message.content).render_message %>
     <% end %>
     <% if message.attachments %>
       <% message.attachments.each do |attachment| %>