### Steps to reproduce

1. Login as a user with permissions to manage project A with Begin of the insertionmulti-selectEnd of the insertion custom fields of type user

2. Go to a work package

3. Add a user in the Begin of the insertionmulti-selectEnd of the insertion custom field of type user

4. Hover Begin of the insertionoverEnd of the insertion Begin of the deletion so that you can seeEnd of the deletion the Begin of the insertionfield but be sure to hit the blanks between letterEnd of the insertion Begin of the deletion user popoverEnd of the deletion


### What is the buggy behavior?

* There seems to be a broken translation issue Begin of the deletion as the user popover is not visible. Instead, here is what it looks like:End of the deletion


<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/315784/content">

### What is the expected behavior?

1. Begin of the insertionUsernamesEnd of the insertion Begin of the deletion Popover with user informationEnd of the deletion should be Begin of the insertionshown in a tooltip. In case two or more users selected, usernames are separated by commaEnd of the insertion Begin of the deletion displayedEnd of the deletion


### Environment information

**OpenProject version**

_15.3.0_

Core build

[fd8fab145e0ac5560ab98d7eb0e42eaf45f5abb1](https://github.com/opf/openproject/commits/fd8fab145e0ac5560ab98d7eb0e42eaf45f5abb1)

Product version

[aeb0182d44b0949cfe7bd6fb828f50fbf9d3c387](https://github.com/opf/saas-openproject/commits/aeb0182d44b0949cfe7bd6fb828f50fbf9d3c387)

**Browser**

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

**Operating System**

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