chore: make sure CSV and File objects are properly namespaced

spec/dummy/db/migrate/20240207230539_create_dashboard_students.dashboard.rb

@@ -0,0 +1,11 @@
+# This migration comes from dashboard (originally 20240104184053)
+class CreateDashboardStudents < ActiveRecord::Migration[7.1]
+  def change
+    create_table :dashboard_students do |t|
+      t.string :lasid
+      t.string :response_id
+
+      t.timestamps
+    end
+  end
+end