**As** a app user
**I want to** easily edit work packages by clicking on an editable attribute (such as Assignee) 
**so that** I don't have to enter an edit mode first.

**Acceptance criteria**

* [ ] Copy the UX from the Jira App
* [ ] Clickling on an attribute opens a popup to change the attribute (similar to the Jira app)
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Single-select: Selecting an attribute saves the change
* Begin of the insertion[x]End of the insertion Begin of the deletion [ ]End of the deletion Multi-select: There is a dedicated button "Apply"
* [ ] ....

**Out of scope**

* Inline-editing of the subject (separate work package)