Richard van der Hoff c203f02731
Rename callback on E2eSetup component (#31274)
* Rename callback on E2eSetup component

`BaseDialog.onFinished` is unused when `hasCancel=false`, so this callback is
only used when the user clicks cancel. For clarity, rename it.

* Test for cancellation behaviour
2025-11-20 18:17:51 +00:00
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