fix(ios): Use WillEnterForeground instead of DidBecomeActive for Event::Resumed in iOS

[JeffTsang]

This is a useful event to prepare your app before it enters the foreground on iOS.

[github-actions]

Package Changes Through 5872b6e

There are 1 changes which include tao with minor

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
tao	0.34.3	0.35.0

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[lucasfernog]

I think we should use Event::Resumed for this.. it would also match the Android behavior (though that one needs a bug fix to not call the method on the first run)

[JeffTsang]

Both events may have their own use cases, but if applicationWillEnterForeground is more closely aligned with Event::Resumed, it can be changed.

[JeffTsang]

@lucasfernog I've updated the code to use Event::Resumed.

[lucasfernog]

btw I think Event::NewEvents(StartCause::Poll) is a good replacement for Event::Resumed (that's what we use in tauri currently).
This change can be seen as a breaking change so we'll wait to release it on 0.35