🐛 Register missing queue and schedule console commands

[retlehs]

Summary

• Adds missing queue:listen, schedule:clear-cache, and schedule:finish commands to the console Kernel
• Registers Illuminate\Queue\Listener binding in QueueServiceProvider so queue:listen can resolve its dependency
• Updates queue.php config to default batching and failed database connections to wordpress instead of sqlite, matching Acorn's default database connection

Builds on #502 which added several queue commands but missed these three. Also fixes the queue config defaults so queue:failed, queue:flush, and queue:forget work out of the box without manual config changes.

Closes #466
Closes #467
Ref #502

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