limit manual email sending in cloud

app/controllers/submitters_send_email_controller.rb

@@ -4,6 +4,13 @@ class SubmittersSendEmailController < ApplicationController
   load_and_authorize_resource :submitter, id_param: :submitter_slug, find_by: :slug
 
   def create
+    if Docuseal.multitenant? && SubmissionEvent.exists?(submitter: @submitter,
+                                                        event_type: 'send_email',
+                                                        created_at: 24.hours.ago..Time.current)
+      return redirect_back(fallback_location: submission_path(@submitter.submission),
+                           alert: 'Email has been sent already.')
+    end
+
     SubmitterMailer.invitation_email(@submitter).deliver_later!
 
     SubmissionEvent.create!(submitter: @submitter, event_type: 'send_email')