\Auth::user()->can() generated in Models has no null check

[coolsam726]

The getCanAttribute() function in generated model should have an Auth::check() in order to still be able to use the model when no user is logged in. Currently it throws errors

Example fix:

public function getCanAttribute() {
        return [
            "view" => \Auth::check() ? \Auth::user()->can("view", $this) : false,
            "update" => \Auth::check() ? \Auth::user()->can("update", $this) : false,
            "delete" => \Auth::check() ? \Auth::user()->can("delete", $this) : false,
            "restore" => \Auth::check() ? \Auth::user()->can("restore", $this) : false,
            "forceDelete" => \Auth::check() ? \Auth::user()->can("forceDelete", $this) : false,
        ];
    }