### Steps to reproduce

Begin of the deletion _Please write down the steps to reproduce. Try to write down all necessary preconditions (what permissions do you have, are other users involved?). Example:_

End of the deletion 1. Go to the form configuration of a work package
2. Add a "Group" -> "Table of related work packages"
3. Within the modal, go to filters
4. Add a project filter
5. Select one project (add it to the filter values)
6. Type in the value field to add a second Begin of the insertionprojectEnd of the insertion Begin of the deletion projectsEnd of the deletion

### What is the buggy behavior?

Begin of the deletion _Please describe the bug with as most details as possible. Example:_

End of the deletion * The Begin of the insertiontype-aheadEnd of the insertion Begin of the deletion typeaheadEnd of the deletion does not work. Only projects matching the project name selected first are still in the list.
* The already selected project is still displayed.
* Even removing the originally selected project, does not lead to all projects showing up again.

### <img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/51935/content"> Begin of the insertion

End of the insertion Begin of the deletion



End of the deletion <img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/51936/content">

###

### What is the expected behavior? Begin of the deletion

_Describe how the application should behave like. Example:_End of the deletion

1. Every new selection of the project should start with the whole set of existing projects (ideally without the already selected ones).

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