Mobile App Sharing broken on iOS 26

**iOS device model, version and app version**

Model Name: iPhone 11 / iPad (9th gen)
Software Version: iOS 26.0
App version: 2025.9.3 (2025.1423)

**Home Assistant Core Version**
2025.9.0

**Describe the bug**
[Mobile App Sharing](https://companion.home-assistant.io/docs/integrations/sharing/) is not working anymore on iOS 26. No dialog prompt after clicking the share button and no event triggered on HA.

**To Reproduce**
On iOS 26, click on the share button, select HomeAssistant.
An input dialog card rises up and closes immediately.

**Expected behavior**
An input dialog should open to prompt additional data and trigger the event on HA after submission.

**Screenshots**

**Additional context**

Issue is not present on iOS 18.5 with latest HA mobile app version on iPhone 12.
Issue is reproductible on iPadOS 26.0 (iPad 9th gen).