Fix Collapse in the model-tree
Fix Collapse in the model-tree

https://github.com/z-song/laravel-admin/issues/2547
never615/laravel-admin,z-song/laravel-admin,qq447665722/laravel-admin,z-song/laravel-admin,qq447665722/laravel-admin,never615/laravel-admin,qq447665722/laravel-admin