### 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._

### Steps to reproduce

1. One project which should have many members.

2. Go to one of work package view.

3. Click one work package's Assignee area, there will have a drop down list Begin of the insertionshowing.End of the insertion Begin of the deletion showing. End of the deletion


### What is the buggy behavior?

* Long name can't be shown perfectly. The end of them are shown as "..."

* Users can't see the assignee's whole name in the list


### What is the expected behavior?

Begin of the insertion*  TheEnd of the insertion Begin of the deletion    Option 1: TheEnd of the deletion drop down list should Begin of the insertionhave 300px (minimum) widthEnd of the insertion Begin of the deletion be wide enoughEnd of the deletion to show long name. Begin of the insertion

* We accept that the dropdown mightEnd of the insertion Begin of the deletion

   Option 2: A tooltip shouldEnd of the deletion be Begin of the insertionlarger thanEnd of the insertion Begin of the deletion popup and showEnd of the deletion the Begin of the insertionacutal input.


<br>End of the insertion Begin of the deletion whole name, when the mouse over it. End of the deletion

### Screenshots and other files

<img class="image_resized op-uc-image op-uc-image_inline" style="width:127px;" src="/api/v3/attachments/109785/content">

### Environment information

**OpenProject installation type**

* Begin of the deletion [ ]End of the deletion Hosted cloud edition Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Begin of the deletion [ ]End of the deletion Packaged installation Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * What distribution?

* Begin of the deletion [ ]End of the deletion Docker All-in-one container Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Begin of the deletion [ ]End of the deletion Docker-compose installation Begin of the insertion

End of the insertion Begin of the deletion
End of the deletion * Begin of the deletion [x]End of the deletion Other (please specify) Begin of the insertion


End of the insertion Begin of the deletion

End of the deletion **OpenProject version**

_If you&#39;re not running on the cloud edition, please specify the version of OpenProject you&#39;re running. Example: v12.1.5_

**Browser**

* [x] Chrome
* [ ] Firefox
* [ ] Safari
* [ ] Mobile Safari
* [x] Other (Edge)

**Language**

_Please specify the browser language and the language of the OpenProject user for which the bug occurred._