Add status widget to create work item view

Users should be able to see what the status of the work item will be after creation.

Therefore we should add the status widget also to the work item create view.

The default open status can be obtained from the work item type query and the widget definition of the status widget.

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From #507988 (comment 2412251102)

We'll have a default open status, so when you create a work item we'd use that status. On the other hand I can see where users might want to provide a different status from the get go.

So having it also in the create view makes sense to me. This way we could also show the default open state, so users know what the status of the work item will look like after creation. We could probably get the default open status with the work item type query (also where we get the list of allowed statuses). Of course this still needs to be built.