If you click one of these Delete links…
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then the comment remains inline…
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and gives an error when clicking Delete (presumably because it's already been deleted):
> Argument 2 passed to DifferentialInlineCommentEditController::canEditInlineComment() must be an instance of DifferentialInlineComment, boolean given, called in phabricator/src/applications/differential/controller/DifferentialInlineCommentEditController.php on line 48 and defined