Adapter code for template should be nullable.

[engcom-Foxtrot]

Description (*)

Null should be valid value for adapter_code column in notifier_template table, as it indicates this template as generic. See

security-package/NotifierTemplateAdminUi/Model/Source/DatabaseTemplate/Adapter.php

Line 33 in 71b8cae

'value' => null,

and

security-package/NotifierTemplate/Model/ResourceModel/DatabaseTemplate/Collection.php

Line 46 in 71b8cae

. 'adapter_code IS NULL'

Fixed Issues (if relevant)

Manual testing scenarios (*)

1. Go to [Magento 2 instance]/admin/magento_notifier_template/databasetemplate/index/ page.
2. Press 'New Template'
3. Fill fields. Set 'Adapter Code' to ' - Generic -'.
4. Save.
5. Make sure 'Adapter Code' saved correctly.

Questions or comments

Contribution checklist (*)

• Author has signed the Adobe CLA
• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds are green)