Unable to sort allowed child node types in Umbraco 15.1.0

[stephen-sherman]

Which Umbraco version are you using? (Please write the exact version, example: 10.1.0)

15.1.0

Bug summary

Attempting to drag an allowed child node type results in a JavaScript error Could not find item related to this element.

Specifics

No response

Steps to reproduce

• Install a new Umbraco 15.1.0 solution
• Configure a document type to have allowed child node types
• Attempt to sort the list of allowed child node types by dragging and dropping

Expected result / actual result

Expected result:

• The list of allowed child node types can be sorted by dragging and dropping

Actual result:

• The list of allowed child node types cannot be sorted by dragging and dropping

Workaround

• Remove and re-add all allowed child node types in the order desired

[github-actions]

Hi there @stephen-sherman!

Firstly, a big thank you for raising this issue. Every piece of feedback we receive helps us to make Umbraco better.

We really appreciate your patience while we wait for our team to have a look at this but we wanted to let you know that we see this and share with you the plan for what comes next.

• We'll assess whether this issue relates to something that has already been fixed in a later version of the release that it has been raised for.
• If it's a bug, is it related to a release that we are actively supporting or is it related to a release that's in the end-of-life or security-only phase?
• We'll replicate the issue to ensure that the problem is as described.
• We'll decide whether the behavior is an issue or if the behavior is intended.

We wish we could work with everyone directly and assess your issue immediately but we're in the fortunate position of having lots of contributions to work with and only a few humans who are able to do it. We are making progress though and in the meantime, we will keep you in the loop and let you know when we have any questions.

Thanks, from your friendly Umbraco GitHub bot 🤖 🙂