[DURACOM-320] fix Drag-and-Drop Malfunction in submission form

[FrankGameDev]

References

• fixes Drag-and-Drop Malfunction in submission form #3624 , as requested here Drag-and-Drop Malfunction in submission form #3624 (comment)
• https://4science.atlassian.net/browse/DURACOM-320

Description

Updated the CDK drag-and-drop behavior from horizontal to mixedto enable dropping chips on wrapped rows

Instructions for Reviewers

List of changes in this PR:

• Changed the cdkDropListOrientation from horizontal to mixed

How to test the fix

Open a submission form, try adding some authors to let the chips wrap (or resize the browser/use DevTools to achieve it), and then try dragging and dropping chips onto different rows

[lgeggleston]

Thanks for the fix @FrankGameDev! Since this was fixed on 8.1, we can try to port this back to 9.x and 10.x as well.

[FrankGameDev]

Thanks for the fix @FrankGameDev! Since this was fixed on 8.1, we can try to port this back to 9.x and 10.x as well.

Here they are: #6096 #6097!