ECTO-2770 - ECTO-2770 - Report the real purchase result when the moda…

[Jannik (qysp)]

…l is closed while installing

• It's possible to close the checkout modal while the installation is ongoing. This would've still triggered an unexpected refresh, even after navigating away.
• After fixing that, I noticed that the buy box doesn't change to "Already owned". That's because closing the modal was emitting a "purchase failed" response to the iframe (and also Amplitude). I fixed that as well.

[Copilot]

Pull request overview

This PR addresses incorrect purchase result reporting and unexpected reload behavior when the extension-store checkout modal is closed while a purchase/installation is still in progress, ensuring the UI/telemetry reflect the real purchase outcome and reloads happen only when appropriate.

Changes:

• Introduces modal instance tracking (purchaseId) and adds a “reload required” notification instead of auto-reloading when the purchase outlives the modal.
• Adjusts cancellation behavior so closing a submitted purchase modal doesn’t falsely report failure/cancellation.
• Adds/extends unit tests to cover modal-closed-in-flight scenarios and updates snippets for the new notification text.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/Resources/app/administration/src/module/sw-extension-store/store/extension-store-purchase-confirmation.store.ts	Adds purchaseId, reload-required notification, and updated confirm/cancel behavior to avoid incorrect reload/result reporting.
src/Resources/app/administration/src/module/sw-extension-store/store/extension-store-purchase-confirmation.store.spec.ts	Adds tests for in-flight modal closing, reload offer notification, and correct telemetry behavior.
src/Resources/app/administration/src/module/sw-extension-store/snippet/en.json	Adds new snippet keys for “reload required” notification text.
src/Resources/app/administration/src/module/sw-extension-store/snippet/de.json	Adds German translations for the new “reload required” notification text.
src/Resources/app/administration/src/module/sw-extension-store/service/extension-store-channel.service.spec.ts	Updates router mock shape and adds a test ensuring purchase results are still published when the modal is closed during installation.

Suppressed comments (1)

src/Resources/app/administration/src/module/sw-extension-store/store/extension-store-purchase-confirmation.store.ts:232

• purchaseId is documented as increasing with every opened modal, but openErrorModal() opens a modal without incrementing it. If a previous purchase finishes later, it can incorrectly treat the error modal as “its own” (same purchaseId + isOpen) and trigger reload/state updates unexpectedly.

            this.closeModal();

            this.onCancel = onCancel;

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