fix: Error while updating prop shadowImage

[g4rb4g3]

Description

Fixes an issue when setting certain props on the LocationPuck component and does some cleanup on the RNMBXNativeUserLocationManager class.

[maps-android\LocationPuck2D]: No image holder data for mapbox-location-bearing-icon!
Error while updating prop shadowImage
java.lang.reflect.InvocationTargetException
at java.lang.reflect.Method.invoke(Native Method)
at com.facebook.react.uimanager.ViewManagersPropertyCache$PropSetter.updateViewProp(ViewManagersPropertyCache.java:93)
at com.facebook.react.uimanager.ViewManagerPropertyUpdater$FallbackViewManagerSetter.setProperty(ViewManagerPropertyUpdater.kt:151)
at com.facebook.react.uimanager.ViewManagerPropertyUpdater$GenericViewManagerDelegate.setProperty(ViewManagerPropertyUpdater.kt:184)
at com.facebook.react.uimanager.ViewManager.updateProperties(ViewManager.java:103)
at com.facebook.react.fabric.mounting.SurfaceMountingManager.updateProps(SurfaceMountingManager.java:696)
at com.facebook.react.fabric.mounting.mountitems.IntBufferBatchMountItem.execute(IntBufferBatchMountItem.kt:116)
at com.facebook.react.fabric.mounting.MountItemDispatcher.executeOrEnqueue(MountItemDispatcher.kt:312)
at com.facebook.react.fabric.mounting.MountItemDispatcher.dispatchMountItems(MountItemDispatcher.kt:221)
at com.facebook.react.fabric.mounting.MountItemDispatcher.tryDispatchMountItems(MountItemDispatcher.kt:88)
at com.facebook.react.fabric.FabricUIManager$DispatchUIFrameCallback.doFrameGuarded(FabricUIManager.java:1484)
at com.facebook.react.uimanager.GuardedFrameCallback.doFrame(GuardedFrameCallback.kt:25)
at com.facebook.react.modules.core.ReactChoreographer.frameCallback$lambda$1(ReactChoreographer.kt:59)
at com.facebook.react.modules.core.ReactChoreographer.$r8$lambda$nSkFhrr5T7rop_XKwzlLov4NLLw(Unknown Source:0)
at com.facebook.react.modules.core.ReactChoreographer$$ExternalSyntheticLambda0.doFrame(D8$$SyntheticClass:0)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1899)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1910)
at android.view.Choreographer.doCallbacks(Choreographer.java:1367)
at android.view.Choreographer.doFrame(Choreographer.java:1282)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1870)
at android.os.Handler.handleCallback(Handler.java:995)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loopOnce(Looper.java:273)
at android.os.Looper.loop(Looper.java:363)
at android.app.ActivityThread.main(ActivityThread.java:10060)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:632)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:975)
Caused by: java.lang.ClassCastException: Dynamic value from Object is not a string
at com.facebook.react.bridge.DynamicFromObject.asString(DynamicFromObject.kt:48)
at com.rnmapbox.rnmbx.components.location.RNMBXNativeUserLocationManager.setShadowImage(RNMBXNativeUserLocationManager.kt:74)
... 28 more

Checklist

• I've read CONTRIBUTING.md
• I updated the doc/other generated code with running yarn generate in the root folder
• I have tested the new feature on /example app.
  • In New Architecture mode/android
• I added/updated a sample - if a new feature was implemented (/example)

Screenshot OR Video

Component to reproduce the issue you're fixing