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4aef9de37e
Previously, when a downgraded component was destroyed in a way that did not trigger the `$destroy` event on the element (e.g. when a parent element was removed from the DOM by Angular, not AngularJS), the `ComponentRef` was not destroyed and unregistered. This commit fixes it by listening for the `$destroy` event on both the element and the scope. Fixes #22392 PR Close #22400