fix(inboxes): stop disabled continuity mail sends

app/jobs/conversation_reply_email_job.rb

@@ -4,6 +4,7 @@ class ConversationReplyEmailJob < ApplicationJob
   def perform(conversation_id, last_queued_id)
     conversation = Conversation.find(conversation_id)
     return unless conversation.account.active?
+    return unless conversation.inbox.active?
 
     if conversation.messages.incoming&.last&.content_type == 'incoming_email'
       ConversationReplyMailer.with(account: conversation.account).reply_without_summary(conversation, last_queued_id).deliver_later

spec/jobs/conversation_reply_email_job_spec.rb

@@ -30,4 +30,12 @@ RSpec.describe ConversationReplyEmailJob, type: :job do
     described_class.perform_now(conversation.id, 123)
     expect(mailer).to have_received(:reply_without_summary)
   end
+
+  it 'does not send an email when the inbox is disabled before the job runs' do
+    conversation.inbox.update!(active: false)
+
+    described_class.perform_now(conversation.id, 123)
+
+    expect(ConversationReplyMailer).not_to have_received(:with)
+  end
 end