fix: Update mail check for html_part (#7273)

app/jobs/inboxes/fetch_imap_emails_job.rb

@@ -125,7 +125,7 @@ class Inboxes::FetchImapEmailsJob < ApplicationJob
   rescue StandardError => e
     ChatwootExceptionTracker.new(e, account: channel.account).capture_exception
     Rails.logger.error("
-      #{channel.provider} Email dropped: #{inbound_mail.from} and message_source_id: #{inbound_mail.message_id}, message_id: #{message_id}")
+      #{channel.provider} Email dropped: #{inbound_mail.from} and message_source_id: #{inbound_mail.message_id}")
   end
 
   # Making sure the access token is valid for microsoft provider

app/mailboxes/mailbox_helper.rb

@@ -38,11 +38,9 @@ module MailboxHelper
   end
 
   def embed_inline_image_source(mail_attachment)
-    current_mail = processed_mail.mail
-
-    if current_mail.html_part.present?
+    if processed_mail.serialized_data[:html_content].present?
       upload_inline_image(mail_attachment)
-    elsif current_mail.text_part.present?
+    elsif processed_mail.serialized_data[:text_content].present?
       embed_plain_text_email_with_inline_image(mail_attachment)
     end
   end

spec/mailboxes/reply_mailbox_spec.rb

@@ -110,6 +110,29 @@ RSpec.describe ReplyMailbox do
       end
     end
 
+    context 'with inline attachments and html_part' do
+      let(:mail_with_html_part_no_html_content) { create_inbound_email_from_fixture('mail_with_html_part_no_html_content.eml') }
+      let(:described_subject) { described_class.receive mail_with_html_part_no_html_content }
+
+      before do
+        conversation.uuid = '6bdc3f4d-0bed-4515-a284-5d916fdde489'
+        conversation.save!
+
+        described_subject
+      end
+
+      it 'mail content will create message' do
+        expect(conversation.messages.last.content).to include('This is test message.')
+      end
+
+      it 'html_content is empty' do
+        expect(conversation.messages.last.attachments.count).to eq(0)
+
+        html_full_content = conversation.messages.last.content_attributes[:email][:html_content][:full]
+        expect(html_full_content).to be_nil
+      end
+    end
+
     context 'with reply_to email address present' do
       let(:email_channel) { create(:channel_email, email: 'test@example.com', account: account) }
       let(:conversation_1) do