Notice fix Update Subscription

[eileenmcnaughton]

pulls out the fix in https://github.com/civicrm/civicrm-core/pull/28617/files#diff-cd5525614103f718eb1d1679d817f02530fc9984a58e5f2db4ecb9e68df24365L33

[civibot]

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[eileenmcnaughton]

test this please

[eileenmcnaughton]

test this please