WorkItemType for reference work items

What does this MR do and why?

WorkItemType for reference work items

Changelog: fixed

Another MR was there which fixed the issue locally but not on gitlab.com, This is another MR where the schema difference between group work items vs project/work items by reference was found

References

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Related to #521114 (closed)

MR acceptance checklist

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Screenshots or screen recordings

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Before	After
Screen Recording 2025-03-07 at 19.59.21.mov	Screen Recording 2025-03-07 at 20.17.09.mov

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

1. Go to any group and copy the the item URL of any epic

   

2. Go to any project of the group

3. Create a new issue

4. Click on the parent widget of the new work item

5. Paste the url in the search box of the parent widget

6. Click on the searched item

7. See that it is updated as expected