Describe the bug
A clear and concise description of what the bug is.
升级4.4.0后出现panic，然后删除数据库重新运行依然panic

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1924633]

goroutine 1588 [running]:
github.com/cloudreve/Cloudreve/v4/pkg/filemanager/manager.CronCollectTrashBin({0x307cc10, 0xc00749c8a0})
/home/vsts/work/1/s/pkg/filemanager/manager/recycle.go:316 +0x373
github.com/cloudreve/Cloudreve/v4/pkg/crontab.taskWrapper.func1()
/home/vsts/work/1/s/pkg/crontab/crontab.go:71 +0x2f7
github.com/robfig/cron/v3.FuncJob.Run(0xc00827efd0?)
/home/vsts/go/pkg/mod/github.com/robfig/cron/v3@v3.0.1/cron.go:136 +0x12
github.com/robfig/cron/v3.(*Cron).startJob.func1()
/home/vsts/go/pkg/mod/github.com/robfig/cron/v3@v3.0.1/cron.go:312 +0x55
created by github.com/robfig/cron/v3.(*Cron).startJob in goroutine 75
/home/vsts/go/pkg/mod/github.com/robfig/cron/v3@v3.0.1/cron.go:310 +0x90
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1924633]

goroutine 1117 [running]:
github.com/cloudreve/Cloudreve/v4/pkg/filemanager/manager.CronCollectTrashBin({0x307cc10, 0xc0016387e0})
/home/vsts/work/1/s/pkg/filemanager/manager/recycle.go:316 +0x373
github.com/cloudreve/Cloudreve/v4/pkg/crontab.taskWrapper.func1()
/home/vsts/work/1/s/pkg/crontab/crontab.go:71 +0x2f7
github.com/robfig/cron/v3.FuncJob.Run(0xc000d17fd0?)
/home/vsts/go/pkg/mod/github.com/robfig/cron/v3@v3.0.1/cron.go:136 +0x12
github.com/robfig/cron/v3.(*Cron).startJob.func1()
/home/vsts/go/pkg/mod/github.com/robfig/cron/v3@v3.0.1/cron.go:312 +0x55
created by github.com/robfig/cron/v3.(*Cron).startJob in goroutine 25
/home/vsts/go/pkg/mod/github.com/robfig/cron/v3@v3.0.1/cron.go:310 +0x90

To Reproduce
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4. See error

Expected behavior
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Screenshots
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Desktop (please complete the following information):

• OS: debian 12
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
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