Enable http status and use it for user login block visibility

config/sync/block.block.userlogin.yml

@@ -0,0 +1,34 @@
+uuid: bace00b3-a26c-4ee1-9aea-8e59f77b6a86
+langcode: en
+status: true
+dependencies:
+  module:
+    - block_visibility_groups
+    - http_client_error_status
+    - user
+  theme:
+    - agarica
+id: userlogin
+theme: agarica
+region: bottom
+weight: 19
+provider: null
+plugin: user_login_block
+settings:
+  id: user_login_block
+  label: 'User login'
+  provider: user
+  label_display: visible
+visibility:
+  condition_group:
+    id: condition_group
+    negate: false
+    block_visibility_group: ''
+    context_mapping: {  }
+  http_client_error_status:
+    id: http_client_error_status
+    request_401: 0
+    request_403: 1
+    request_404: 0
+    negate: false
+    context_mapping: {  }

config/sync/core.extension.yml

@@ -76,6 +76,7 @@ module:
   hal: 0
   help: 0
   history: 0
+  http_client_error_status: 0
   image: 0
   layout_discovery: 0
   link: 0