v6.0.2 Release

Bug fixes and documentation updates release.

Please tag any GitHub issues regarding v6 with [v6] in the title.

🐞 This is a bug fix release. 🐞

• [iOS] Fixed an issue where native event listeners were not cleared after using React Native reload

Analytics

• [TS] Fix several incorrect type definitions

Authentication

• Fix #2639; Create a stack trace for usage with NativeFirebaseError
• Fix #2713; iOS auth event subscriptions not correctly removing on reload

Firestore

• Fix #2719; Only apply id cursor when no order query modifiers

ML Vision

• Fix #2744; improve nil checks on creating dictionary instances