Error on "empty recycle bin"

[loki-core]

Describe the bug
It is not possible to empty the trash in the admin area.

Steps To Reproduce
Steps to reproduce the behavior:

1. Delete a page, a book or a shelf
2. Go to Settings -> Maintenance -> Open Recycle bin
3. Click on empty recycle bin or remove an item in the list

Screenshots
If applicable, add screenshots to help explain your problem.

Your Configuration (please complete the following information):

• Exact BookStack Version (Found in settings):BookStack v0.31.5
• Hosting Method (Nginx/Apache/Docker): Docker

Additional context
Log:
[2021-02-01 21:10:49] production.ERROR: Return value of BookStack\Entities\Tools\TrashCan::destroyEntity() must be of the type int, none returned {"userId":1,"exception":"[object] (Symfony\\Component\\Debug\\Exception\\FatalThrowableError(code: 0): Return value of BookStack\\Entities\\Tools\\TrashCan::destroyEntity() must be of the type int, none returned at /var/www/html/app/Entities/Tools/TrashCan.php:304) #19 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(BookStack\\Http\\Request)) #20 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\View\\Middleware\\ShareErrorsFromSession->handle(Object(BookStack\\Http\\Request), Object(Closure)) [2021-02-01 21:11:08] production.ERROR: Return value of BookStack\Entities\Tools\TrashCan::destroyEntity() must be of the type int, none returned {"userId":1,"exception":"[object] (Symfony\\Component\\Debug\\Exception\\FatalThrowableError(code: 0): Return value of BookStack\\Entities\\Tools\\TrashCan::destroyEntity() must be of the type int, none returned at /var/www/html/app/Entities/Tools/TrashCan.php:304) #18 /var/www/html/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}(Object(BookStack\\Http\\Request)) #19 /var/www/html/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(171): Illuminate\\View\\Middleware\\ShareErrorsFromSession->handle(Object(BookStack\\Http\\Request), Object(Closure)) [2021-02-01 21:11:57] production.ERROR: Return value of BookStack\Entities\Tools\TrashCan::destroyEntity() must be of the type int, none returned {"userId":1,"exception":"[object] (Symfony\\Component\\Debug\\Exception\\FatalThrowableError(code: 0): Return value of BookStack\\Entities\\Tools\\TrashCan::destroyEntity() must be of the type int, none returned at /var/www/html/app/Entities/Tools/TrashCan.php:304)

[loki-core]

Possible pull request #2530

[ssddanbrown]

Thanks for reporting @loki-core, This has been addressed and covered with testing within cc5d0ef, 7843d8f & 61a911d and will be part of the next patch release due within the next day or so.