Fix access to UIWindow when delegate doesn't implement that property

[Supereg]

Fix access to UIWindow when delegate doesn't implement that property

♻️ Current situation & Problem

Currently, ResearchKit assumes that the window property is implemented by every UIApplicationDelegate. However, if you refer to the documentation of window the property is only required if you are using UIKit with Storyboard files. The automatic synthesis the documentation refers to doesn't seem to work according to our experience.
This issue impacted, e.g., CS342/2024-PICS#43.

This PR fixes this issue by checking first, if the respective delegate instance responds to the window selector.

This PR also addresses an issue in the CI setup where artifact names where not unique and therefore failed the CI run.

⚙️ Release Notes

• Fixes a crash where window is not implemented for an UIApplicationDelegate.

📚 Documentation

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✅ Testing

This will be verified within #20. However, the PR requires to compiled ResearchKit xcfamework first.

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[PSchmiedmayer]

Thank you for fixing this issue @Supereg 🚀