add archived template and submission pages

app/controllers/templates_controller.rb

@@ -4,9 +4,11 @@ class TemplatesController < ApplicationController
   before_action :load_base_template, only: %i[new create]
 
   def show
-    @template = current_account.templates.active.find(params[:id])
+    @template = current_account.templates.find(params[:id])
+    submissions = @template.submissions
+    submissions = submissions.active if @template.deleted_at.blank?
 
-    @pagy, @submissions = pagy(@template.submissions.active.preload(:submitters).order(id: :desc))
+    @pagy, @submissions = pagy(submissions.preload(:submitters).order(id: :desc))
   rescue ActiveRecord::RecordNotFound
     redirect_to root_path
   end