#3476814: Handle nulled duplicate jobs
- /tests/modules/advancedqueue_test/src/Plugin/AdvancedQueue/JobType/AvoidDuplicates.php
- /src/Entity/Queue.php
- /tests/modules/advancedqueue_test/src/Plugin/AdvancedQueue/JobType/RejectDuplicates.php
- /tests/modules/advancedqueue_test/src/Plugin/AdvancedQueue/JobType/SkipDuplicates.php
- /tests/src/Kernel/DatabaseBackendTest.php
Closes #3476814