### Begin of the deletion Before filing a report

_Before you file a report, please ensure you are running the latest version of OpenProject and_ 
_have searched for similar bug reports._

###End of the deletion Steps to reproduce

1. Start an OpenProject on-prem/community edition in version 13.0
2. Click on "Start trial"
3. Follow the process

### What is the buggy behavior?

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/67454/content">

### What is the expected behavior?

The view should change to the next one waiting for the trial activation.

### **Logs**

```text
I, [2023-08-23T14:51:05.627748 #336] INFO -- : Processing by EnterprisesController#save_trial_key as JSON
I, [2023-08-23T14:51:05.627794 #336] INFO -- : Parameters: {"trial_key"=>"aab44410-bab1-45b1-8576-e5fbf839ff96", "enterprise"=>{"trial_key"=>"aab44410-bab1-45b1-8576-e5fbf839ff96"}}
I, [2023-08-23T14:51:05.667460 #336] INFO -- : No template found for EnterprisesController#save_trial_key, rendering head :no_content
I, [2023-08-23T14:51:05.667768 #336] INFO -- : Completed 204 No Content in 40ms (ActiveRecord: 7.8ms | Allocations: 9644)
```

### Environment information

**OpenProject installation type**

* [ ] Hosted cloud edition
* [ ] Packaged installation
* What distribution?
* [x] Docker All-in-one container
* [ ] Docker-compose installation
* [ ] Other (please specify)

**OpenProject version**

_v13.0.0_

**Browser**

* [x] Chrome
* [ ] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [ ] Other (please specify)