corrected default medium date config

config/core.entity_view_display.oc_activity.application.default.yml

@@ -0,0 +1,59 @@
+uuid: 92697c37-4dbe-4b1d-a974-526a3300e2ba
+langcode: en
+status: true
+dependencies:
+  config:
+    - opencase_entities.oc_activity_type.application
+  module:
+    - user
+id: oc_activity.application.default
+targetEntityType: oc_activity
+bundle: application
+mode: default
+content:
+  name:
+    type: string
+    label: hidden
+    settings:
+      link_to_entity: false
+    third_party_settings: {  }
+    weight: 3
+    region: content
+  oc_provider:
+    type: entity_reference_label
+    label: above
+    settings:
+      link: true
+    third_party_settings: {  }
+    weight: 1
+    region: content
+  oc_target:
+    type: entity_reference_label
+    label: above
+    settings:
+      link: true
+    third_party_settings: {  }
+    weight: 0
+    region: content
+  time_taken:
+    type: number_decimal
+    label: above
+    settings:
+      thousand_separator: ''
+      decimal_separator: .
+      scale: 2
+      prefix_suffix: true
+    third_party_settings: {  }
+    weight: 2
+    region: content
+  user_id:
+    type: author
+    label: above
+    settings: {  }
+    third_party_settings: {  }
+    weight: 4
+    region: content
+hidden:
+  activity_date_time: true
+  description: true
+  search_api_excerpt: true