remove tabindex because of select2 issue

Author: tswonke

resources/views/buttons/fake.blade.php

@@ -1,6 +1,5 @@
 <div class="modal fade"
      id="{{ $crud->instantCreateButton['name'] }}_modal"
-     tabindex="-1"
      role="dialog"
      aria-labelledby="{{ $crud->instantCreateButton['name'] }}_modal"
      aria-hidden="true">