Suite: Use "DeleteBehavior.Cascade" for many-to-many db configurations. #16367
Description
Resolves #16364
Checklist
- I fully tested it as developer / designer and created unit / integration tests
- I documented it (or no need to document or I will create a separate documentation issue)
- I worked with the design team to get their idea for UI/UX design (or no need to design for this PR)
- I've assigned reviewer, related labels and set a milestone for this PR
How to test it?
Create an entity, establish a many-to-many relationship, then remove the many-to-many relationship and try to re-generate it. It should re-generate without errors.