[FR] Add Sign in with Provider

[jingfeng-cheah]

Feature proposal

• Firebase Component: Auth

Describe your use case and/or feature request here.
Please add sign in with provider for Flutter Windows, specifically using MicrosoftAuthProvider with FirebaseAuth.

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[Jaky964]

Feature proposal
Firebase Component: jak@
Describe your use case and/or feature request here.
Please add sign in with provider for Firebase: jak@