Multiple Maps not working?

**Describe the bug**
When trying to use multiple maps on one screen, they seem to be somehow connected.

**To Reproduce**
Steps to reproduce the behavior:
1. Use multiple maps on one screen

**Expected behavior**
The maps should not be connected

**Screenshots**

In this screen, each element should have a custom zoom level (which is set via `initialCameraPosition`) and they all also should be rounded.

**Smartphone (please complete the following information):**
- Device: iPhone 14 Pro (Simulator)

**flutter doctor**
```
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.10.1, on macOS 13.3.1 22E261 darwin-arm64, locale en-DE)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.2)
[✓] Xcode - develop for iOS and macOS (Xcode 14.3)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2022.2)
[✓] Android Studio (version 2022.2)
[✓] VS Code (version 1.71.0)
[✓] Connected device (3 available)
[✓] Network resources

• No issues found!
```