fix(analytics): setCurrentScreen() was deprecated, using logScreenView() instead

[kzrnm]

Description

Fix #11035

Related Issues

#9397
#11035

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[russellwheatley]

Hey @kzrnm, do you mind resolving the conflicts? Might be worth adding an e2e test here as well for logScreenView(): https://github.com/firebase/flutterfire/blob/master/tests/integration_test/firebase_analytics/firebase_analytics_e2e_test.dart#L174

Thanks for the PR 🙏

Documentation for deprecated setCurrentScreen().
android:
https://firebase.google.com/docs/reference/android/com/google/firebase/analytics/FirebaseAnalytics#setCurrentScreen(android.app.Activity,java.lang.String,java.lang.String)
web:
https://firebase.google.com/docs/reference/js/analytics#setcurrentscreen

iOS doesn't have this method.

[kzrnm]

@russellwheatley I fixed conflicts, and add logScreenView().