Main thread stuck during SDK initialization

[zhuscat]

During the SDK initialization process, it can cause the UI main thread to freeze, resulting in the user interface unresponsive

After the map loaded, everything goes ok.

SDK version: ^2.1.0-beta.1

Flutter doctor:

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.19.0, on macOS 14.0 23A344
    darwin-arm64, locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK
    version 34.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 15.0)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2023.1)
[✓] VS Code (version 1.89.1)
[✓] Connected device (3 available)
[✓] Network resources

Platform: iOS 15.0