tasks: populate Instructeur.bypass_email_login_token again

The task was run once in April 2021, but the new features enabled since
have not been synchronized.

lib/tasks/deployment/20211259131949_populate_bypass_email_login_again.rake

@@ -0,0 +1,18 @@
+namespace :after_party do
+  desc 'Deployment task: populate_bypass_email_login'
+  task populate_bypass_email_login: :environment do
+    user_ids = Flipper::Adapters::ActiveRecord::Gate
+      .where(feature_key: 'instructeur_bypass_email_login_token')
+      .pluck(:value)
+      .filter { |s| s.start_with?('User:') }
+      .map { |s| s.gsub('User:', '') }
+      .map(&:to_i)
+
+    Instructeur
+      .where(user: { id: user_ids })
+      .update_all(bypass_email_login_token: true)
+
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end