New Observe function to support Pull To Refresh in SwiftUI

[bdunay3]

Description

SwiftUI has a unique way of support Pull to Refresh. To enable the feature you need to support the refreshable view modifier with takes an async closure. The refresh "task" run and when it completes, SwiftUI will then refresh the view.

The problem we run into with VSM is that when using the existing observable functions inside the refreshable async task, state gets updated before the task completes. This then causes a complete refresh of the view which has two side effects:

1. It cancels the refreshable task
2. The update causes the entire view to "snap into place" which is VERY jarring to see as a user. Instead of the content smoothly animating back up into place it snaps right into position.

What this PR does is adds a new "

Type of Change

• Bug Fix
• New Feature
• Breaking Change
• Refactor
• Documentation
• Other (please describe)

Checklist

• I have read the contributing guidelines
• Existing issues have been referenced (where applicable)
• I have verified this change is not present in other open pull requests
• Functionality is documented
• All code style checks pass
• New code contribution is covered by automated tests
• All new and existing tests pass

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Automatically marking pull request as stale due to lack of activity

[github-actions]

Automatically closing this pull request as stale