added some config that was missed / wrong

modules/opencase_defaults/config/optional/core.base_field_override.oc_case.volunteer_engagement.actors_involved.yml

@@ -17,6 +17,6 @@ default_value_callback: 'Drupal\opencase_entities\Entity\OCCase::defaultVal'
 settings:
   handler_settings:
     target_bundles:
-      client: client
+      volunteer: volunteer
   handler: default
 field_type: entity_reference

modules/opencase_entities/config/install/field.field.user.user.field_linked_opencase_actor.yml

@@ -0,0 +1,28 @@
+langcode: en
+status: true
+dependencies:
+  config:
+    - field.storage.user.field_linked_opencase_actor
+    - opencase_entities.oc_actor_type.volunteer
+  module:
+    - user
+id: user.user.field_linked_opencase_actor
+field_name: field_linked_opencase_actor
+entity_type: user
+bundle: user
+label: 'Linked OpenCase actor'
+description: 'If this user is also an actor (e.g. a volunteer or staff member) in OpenCase, link them here. This will ensure that they have access to the correct cases and that the correct cases are shown as "theirs".'
+required: false
+translatable: false
+default_value: {  }
+default_value_callback: ''
+settings:
+  handler: 'default:oc_actor'
+  handler_settings:
+    target_bundles:
+      volunteer: volunteer
+    sort:
+      field: _none
+    auto_create: false
+    auto_create_bundle: ''
+field_type: entity_reference

modules/opencase_entities/config/install/field.storage.user.field_linked_opencase_actor.yml

@@ -0,0 +1,19 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - opencase_entities
+    - user
+id: user.field_linked_opencase_actor
+field_name: field_linked_opencase_actor
+entity_type: user
+type: entity_reference
+settings:
+  target_type: oc_actor
+module: core
+locked: false
+cardinality: 1
+translatable: true
+indexes: {  }
+persist_with_no_fields: false
+custom_storage: false

opencase.module

@@ -29,7 +29,9 @@ function opencase_block_access(\Drupal\block\Entity\Block $block, $operation, \D
       'view.activities.page_1',
       'entity.oc_activity.canonical',
       'entity.oc_activity.edit_form',
-      'entity.oc_activity.add_form'
+      'entity.oc_activity.add_form',
+      'system.menu.opencase-add-actors',
+      'block.block.opencaseaddactors',
     ];
     return AccessResult::forbiddenIf(!in_array($route_name, $routes_where_it_should_be_shown))->addCacheableDependency($block);
   }