Fix Drag-and-Drop Malfunction in submission form

[FrankGameDev]

Porting of DURACOM-320 #6098

References

• fixes Drag-and-Drop Malfunction in submission form #3624 , as requested here Drag-and-Drop Malfunction in submission form #3624 (comment)

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

Checklist

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