New config parameteradded new configuration parameter in "templates" for "list__batch" template

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #816
| License       | MIT

This adds the missing template configurations for list__batch and batch_confirmation.

Replaces #1255