chore: make sure CSV and File objects are properly namespaced

spec/dummy/db/migrate/20240207230521_create_dashboard_academic_years.dashboard.rb

@@ -0,0 +1,12 @@
+# This migration comes from dashboard (originally 20240103232412)
+class CreateDashboardAcademicYears < ActiveRecord::Migration[7.1]
+  def change
+    create_table :dashboard_academic_years do |t|
+      t.string :range
+
+      t.timestamps
+    end
+
+    add_index :dashboard_academic_years, :range, unique: true
+  end
+end