[16.0] fetchmail_server_folder: Missing ondelete on match_algorithm field

[diggy128]

Module

fetchmail_server_folder

Describe the bug

match_algorithm is a required field and missing an ondelete policy

To Reproduce

Affected versions: 16.0

Steps to reproduce the behavior:

1. Install fetchmail_server_folder
2. Update module

Expected behavior
No error

Additional context
The exact error is:
'fetchmail.server.folder.match_algorithm': required selection fields must define an ondelete policy that implements the proper cleanup of the corresponding records upon module uninstallation.