fix problem with asset pipeline https://www.redmine.org/issues/39111 and rubocop fixes

app/models/additionals_query.rb

@@ -31,10 +31,9 @@ module AdditionalsQuery
   def sql_for_enabled_module(table_field, module_names)
     module_names = Array module_names
 
-    sql = []
-    module_names.each do |module_name|
-      sql << "EXISTS(SELECT 1 FROM #{EnabledModule.table_name} WHERE #{EnabledModule.table_name}.project_id=#{table_field}" \
-             " AND #{EnabledModule.table_name}.name='#{module_name}')"
+    sql = module_names.map do |module_name|
+      "EXISTS(SELECT 1 FROM #{EnabledModule.table_name} WHERE #{EnabledModule.table_name}.project_id=#{table_field}" \
+        " AND #{EnabledModule.table_name}.name='#{module_name}')"
     end
 
     sql.join ' AND '

init.rb

@@ -12,7 +12,7 @@ Redmine::Plugin.register :additionals do
   version Additionals::PluginVersion::VERSION
   author_url 'https://alphanodes.com/'
   url 'https://github.com/alphanodes/additionals'
-  directory __dir__
+  directory File.dirname(__FILE__)
 
   settings default: loader.default_settings,
            partial: 'additionals/settings/additionals'

lib/additionals/helpers.rb

@@ -108,11 +108,7 @@ module Additionals
     end
 
     def additionals_library_load(module_names)
-      s = []
-      Array(module_names).each do |module_name|
-        s << send(:"additionals_load_#{module_name}")
-      end
-      safe_join s
+      safe_join(Array(module_names).map { |module_name| send(:"additionals_load_#{module_name}") })
     end
 
     def autocomplete_select_entries(name, type, option_tags, **options)