### Steps to reproduce

1. Login as an admin

2. Find a project that has sub-projects

3. Go to Project overview


### What is the buggy behaviour?

* Begin of the insertion`Subitems`End of the insertion Begin of the deletion `Sub-items`End of the deletion section is called 'In this project'


### What is the expected behaviour?

1. Begin of the insertion`Subitems`End of the insertion Begin of the deletion `Sub-items`End of the deletion section is called Begin of the insertion'Subitems'End of the insertion Begin of the deletion 'Sub-items'End of the deletion


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### Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/791477/content">

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###

### Environment information

**OpenProject version**

Core build

[4de9ddb18923848ee9ca679594f05ad1f1e6b756](https://github.com/opf/openproject/commits/4de9ddb18923848ee9ca679594f05ad1f1e6b756)

Product version

[757b160994d7a0c490ec4cdc7e6571c7b1dca270](https://github.com/opf/saas-openproject/commits/757b160994d7a0c490ec4cdc7e6571c7b1dca270)

Core version

OpenProject 16.6.0

**Browser**

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

**Operating System**

* [x] Windows
* [ ] Mac OS X
* [ ] Mobile iOS
* [ ] Mobile Android
* [ ] Linux (please specify distro)
* [ ] Chrome OS
* [ ] Other (please specify)