Add populate_recipient Rake task

lib/tasks/notify_log_entries.rake

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+namespace :notify_log_entries do
+  desc "Set the recipient column from the recipient_deterministic column."
+  task populate_recipient: :environment do
+    NotifyLogEntry
+      .where(recipient: nil)
+      .find_each do |entry|
+        entry.update!(receipient: entry.recipient_deterministic)
+      end
+  end
+end