Fix order of array_first arguments
Fix order of array_first arguments

As per https://laravel.com/docs/5.3/upgrade (under "Arrays")

datitisev/core,flarum/core,malayladu/core,malayladu/core,flarum/core,malayladu/core,datitisev/core,malayladu/core,flarum/core,datitisev/core,datitisev/core