CiviCRM Activity View, Activity Status filter, is none of, error

This issue also there with Activity Type Ids

I'm also getting a similar error for filtering by Event Type. Views gives me the error message:

No valid values found on filter: CiviCRM Event (CiviCRM Entity): Event Type.

The PHP error log gives:

Uncaught PHP Exception Error: "Attempt to assign property "type" on null" at /web/core/modules/views/src/ManyToOneHelper.php line 251

WIP/Draft PR for activity_status and activity_type_id properties

https://github.com/eileenmcnaughton/civicrm_entity/pull/460

The changes which Core filter plugin is used for these properties.

This may not be the final solution. We're considering what is best. The error seems like a Core issue
https://www.drupal.org/project/drupal/issues/2829178#comment-13751033 🐛 Views Term ID has broken filters ("All of", "Is none of") and contextual filters "allow multiple" Needs work

Or its very similar.

Note if you use this PR, you will need to clear Drupal caches, and edit the View to adjust settings for the filter plugin

This WIP PR, it will make it so there is no "Is All of" operator

Changing to IN or NOT IN

This seems ok to me, as no activity would ever have 2 statuses, nor event types (not fixed in PR yet)