Add "Is all of" exposed filter (extend ManyToOne filter plugin)

We are also interested in support for "is all of".

Class Drupal\domain_access\Plugin\views\filter\DomainAccessFilter could readily extend Drupal\views\Plugin\views\filter\ManyToOne rather than Drupal\views\Plugin\views\filter\InOperator, but existing filters would have settings where the operator value is "in" and "not in", rather than "or" and "not", respectively. The change will need to migrate the existing operator values, or will need to support legacy values.

Could we get a rebase please?

Reviewing it

Able to see the "Is all of" button after applying the MR
So moving it to RTBC
Thanks

Thanks a lot @dhruv.mittal for the review.

Have you been able to test the related update hook?

I would not want to break hundreds of sites because of a failing update.

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