fix: Fatal error: Attempted to read an unowned reference but the obje…

[zeqinjie]

Step

When a user recalls a return operation in an iOS application, taking screenshots at the same time may cause the application to crash

Error

Fatal error: Attempted to read an unowned reference but the object was already deallocated

Pre-launch Checklist

• I updated pubspec.yaml with an appropriate new version according to the [pub versioning philosophy].
• I updated CHANGELOG.md to add a description of the change.
• I updated/added relevant documentation (doc comments with ///).
• I added new tests to check the change I am making if a test is possible.
• All existing and new tests are passing.

[dancamdev]

@LuisThein any chance this can be merged and an update released for both apple_maps_flutter and platform_maps_flutter? This pretty much breaks both packages on most iOS devices nowadays.

[LuisThein]

Hey, sorry for letting you wait so long.