removed dummy org relation type which was only there to make the title of the form be the bundle name

composer.json

@@ -26,6 +26,7 @@
         "autonomic/goodnightout_opencase": "dev-master",
         "autonomic/opencase": "dev-master",
         "composer/installers": "^1.2",
+        "drupal/base_field_override_ui": "^1.0",
         "drupal/content_as_config": "^1.0",
         "drupal/core-composer-scaffold": "^8.9.17",
         "drupal/core-project-message": "^8.9.17",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7ee33ce4e24d4f25ec9745e6435c4a87",
+    "content-hash": "99b9bd024051f4a97371b8925a8ac972",
     "packages": [
         {
             "name": "asm89/stack-cors",
@@ -1820,6 +1820,54 @@
                 "issues": "https://www.drupal.org/project/issues/admin_toolbar"
             }
         },
+        {
+            "name": "drupal/base_field_override_ui",
+            "version": "1.0.0",
+            "source": {
+                "type": "git",
+                "url": "https://git.drupalcode.org/project/base_field_override_ui.git",
+                "reference": "8.x-1.0"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://ftp.drupal.org/files/projects/base_field_override_ui-8.x-1.0.zip",
+                "reference": "8.x-1.0",
+                "shasum": "bd5160305cedf0b98e6320952b34b78ee6e5c7fb"
+            },
+            "require": {
+                "drupal/core": "^8.8 || ^9"
+            },
+            "type": "drupal-module",
+            "extra": {
+                "drupal": {
+                    "version": "8.x-1.0",
+                    "datestamp": "1630086206",
+                    "security-coverage": {
+                        "status": "covered",
+                        "message": "Covered by Drupal's security advisory policy"
+                    }
+                }
+            },
+            "notification-url": "https://packages.drupal.org/8/downloads",
+            "license": [
+                "GPL-2.0+"
+            ],
+            "authors": [
+                {
+                    "name": "mnico",
+                    "homepage": "https://www.drupal.org/user/1119544"
+                }
+            ],
+            "description": "Enables the possibility to easily override the base fields of any content entity type with an user interface",
+            "homepage": "https://www.drupal.org/project/base_field_override_ui",
+            "keywords": [
+                "Drupal"
+            ],
+            "support": {
+                "source": "http://cgit.drupalcode.org/base_field_override_ui",
+                "issues": "https://www.drupal.org/project/issues/base_field_override_ui"
+            }
+        },
         {
             "name": "drupal/content_as_config",
             "version": "1.0.3",

config/core.extension.yml

@@ -1,6 +1,7 @@
 module:
   admin_toolbar: 0
   automated_cron: 0
+  base_field_override_ui: 0
   big_pipe: 0
   block: 0
   block_content: 0

config/opencase_entities.oc_organisation_relation_type.foo.yml

@@ -1,6 +0,0 @@
-uuid: d019fb15-3bc3-4c45-80d7-375e348284f2
-langcode: en
-status: true
-dependencies: {  }
-id: foo
-label: 'Dummy, needed so that bundle label rather than entity label is displayed when adding a Link Between Clients'