Fixes #3707 - Setting for CheckMK not saved in zammad.

db/migrate/20210827133800_issue_3707_checkmk.rb

@@ -0,0 +1,23 @@
+# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
+
+class Issue3707Checkmk < ActiveRecord::Migration[6.0]
+  def change
+    # return if it's a new setup
+    return if !Setting.exists?(name: 'system_init_done')
+
+    Setting.find_by(name: 'check_mk_auto_close').update(options: {
+                                                          form: [
+                                                            {
+                                                              display: '',
+                                                              null:    true,
+                                                              name:    'check_mk_auto_close',
+                                                              tag:     'boolean',
+                                                              options: {
+                                                                true  => 'yes',
+                                                                false => 'no',
+                                                              },
+                                                            },
+                                                          ],
+                                                        })
+  end
+end

db/seeds/settings.rb

@@ -3888,7 +3888,7 @@ Setting.create_if_not_exists(
       {
         display: '',
         null:    true,
-        name:    'checkmk_auto_close',
+        name:    'check_mk_auto_close',
         tag:     'boolean',
         options: {
           true  => 'yes',