server-tools/attachment_base_synchronize/security/ir.model.access.csv

id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
access_attachment_metadata_user,ir.attachment.metadata.user,model_ir_attachment_metadata,,1,0,0,0
access_attachment_metadata_manager,ir.attachment.metadata.manager,model_ir_attachment_metadata,base.group_no_one,1,1,1,1