Fixes some errors with cypress relationships support.

[mshima]

Follow up to #16504.

• Fixes angular with infinite-scroll
• Fixes many-to-many relationships for angular and react
• Remove required one-to-many relationship test.

Still broken but not related to the feature request:

• Vue with required many-to-many relationships (submit button is never enabled)
• Reactive with sql. Edit entity with relationship but without any field fails to persist.

Closes #14103

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[mraible]

I'll add a bounty to fix the broken items too!

[mshima]

Follow-up PRs fixed 1 vue bug, 1 react bug, 1 reactive+sql generic bug and added workarounds for bugs that looks upstream bugs, 1 reactive + postgresql and one reactive + mariadb.

Cypress relationships is now enabled for every test case.

[mshima]

@pascalgrimaud bounty claimed https://opencollective.com/generator-jhipster/expenses/53727.