fix: Mark notification as unread after the un-snooze (#8917)

app/jobs/notification/reopen_snoozed_notifications_job.rb

@@ -4,7 +4,7 @@ class Notification::ReopenSnoozedNotificationsJob < ApplicationJob
   def perform
     # rubocop:disable Rails/SkipsModelValidations
     Notification.where(snoozed_until: 3.days.ago..Time.current)
-                .update_all(snoozed_until: nil, updated_at: Time.current, last_activity_at: Time.current)
+                .update_all(snoozed_until: nil, updated_at: Time.current, last_activity_at: Time.current, read_at: nil)
     # rubocop:enable Rails/SkipsModelValidations
   end
 end

spec/jobs/notification/reopen_snoozed_notifications_job_spec.rb

@@ -17,6 +17,7 @@ RSpec.describe Notification::ReopenSnoozedNotificationsJob do
       expect(snoozed_till_5_minutes_ago.reload.snoozed_until).to be_nil
       expect(snoozed_till_tomorrow.reload.snoozed_until.to_date).to eq 1.day.from_now.to_date
       expect(snoozed_indefinitely.reload.snoozed_until).to be_nil
+      expect(snoozed_indefinitely.reload.read_at).to be_nil
     end
   end
 end