Disable persistent storage of Tasks in simulator

[Supereg]

Disable persistent storage of Tasks in simulator

:recycle: Current situation & Problem

We found it overly complicated to deal with SpeziScheduler in the development process (e.g., testing changes within the simulator or running unit tests against a scheduler implementation). This PR changes the SchedulerStorage component to not interact with the local storage if running within a simulator environment. This should allow for more rapid development (e.g., no requirement to delete the app in between startups) and help in unit testing scenarios.

Additionally, this PR fixes the Equatable implementation of the Scheduler module.

Lastly, we update to the latest Spezi release and remove usage of the LifecycleHandler and avoid directly interfacing with the NotificationDelegate. This ensure that we don't override the Notification Center delegate from someone else and, most importantly, only respond to notifications the scheduler sent.

:gear: Release Notes

• Disable persistent storage of Tasks and Events in simulator environments for easier development.
• Fix Equatable implementation of the Scheduler.
• Update to new Spezi release, replacing LifecycleHandler implementation with SwiftUI native mechanisms.

:books: Documentation

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:white_check_mark: Testing

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[Supereg]

@PSchmiedmayer make sense. Great catch. I restructured the SchedulerStorage module to be an independent module that you can configure from the outside (via an SPI import). Pretty sweet I think. Added logging to properly communicate if nothing is saved or restored.

I made some additional changes in this PR that (1) fixes some issues around Equatable (and therefore doesn't update our ScheduleView in the template application) and (2) updated everything to the latest changes in Spezi (e.g., LifecycleHandler deprecation and new NotificationHandler protocol).

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 86.58537% with 11 lines in your changes are missing coverage. Please review.

Project coverage is 86.51%. Comparing base (ba39108) to head (0fb5d21).

Additional details and impacted files

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