infer panic in queue/unique_queue_disk_channel.go

[lunny]

panic: interface conversion: queue.Queue is *queue.LevelUniqueQueue, not *queue.LevelQueue

goroutine 222 [running]:
code.gitea.io/gitea/modules/queue.(*PersistableChannelUniqueQueue).Run.func4(0xc002c487e0)
        /home/lunny/shares/data/Projects/gitea/gitea/modules/queue/unique_queue_disk_channel.go:191 +0x24d
created by code.gitea.io/gitea/modules/queue.(*PersistableChannelUniqueQueue).Run
        /home/lunny/shares/data/Projects/gitea/gitea/modules/queue/unique_queue_disk_channel.go:189 +0x290