use AdditionalsApplicationRecord for redmine 5.x and 6 support as temp solution

app/models/additionals_application_record.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+# NOTE: this file is used for compatibility with Redmine 5.x and Redmine 6
+
+class AdditionalsApplicationRecord < (defined?(ApplicationRecord) == 'constant' ? ApplicationRecord : ActiveRecord::Base)
+  self.abstract_class = true
+end

app/models/dashboard.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class Dashboard < Rails.version < '7.1' ? ActiveRecord::Base : ApplicationRecord
+class Dashboard < AdditionalsApplicationRecord
   include Redmine::I18n
   include Redmine::SafeAttributes
   include Additionals::EntityMethods

app/models/dashboard_role.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class DashboardRole < Rails.version < '7.1' ? ActiveRecord::Base : ApplicationRecord
+class DashboardRole < AdditionalsApplicationRecord
   include Redmine::SafeAttributes
 
   belongs_to :dashboard

lib/additionals/helpers.rb

@@ -2,6 +2,25 @@
 
 module Additionals
   module Helpers
+    def entry_page_title(name:, obj: nil, obj_link: nil, query: nil)
+      title = []
+      case obj
+      when Issue
+        title << link_to(h("#{obj.subject} ##{obj.id}"),
+                         issue_path(obj),
+                         class: obj.css_classes)
+      when User
+        title << user_with_avatar(obj, no_link: true, size: 50)
+      else
+        title << obj_link if obj_link
+      end
+
+      title << name if name
+      title << h(query.name) if query && !query.new_record?
+
+      safe_join title, Additionals::LIST_SEPARATOR
+    end
+
     def label_with_count(label, info, only_positive: false)
       text = label.is_a?(Symbol) ? l(label) : label
       if info.blank? || only_positive && !info.positive?