fix: some controller functions never complete (#123)

Author: josxha

android/src/main/kotlin/com/github/josxha/maplibre/MapLibrePlugin.kt

@@ -22,7 +22,6 @@ class MapLibrePlugin :
     PluginRegistry.RequestPermissionsResultListener,
     PermissionManagerHostApi {
     private var lifecycle: Lifecycle? = null
-    private lateinit var permissionManagerApi: PermissionManagerHostApi
 
     private lateinit var flutterAssets: FlutterPlugin.FlutterAssets
 

lib/src/native/widget_state_jni.dart

@@ -289,6 +289,8 @@ final class MapLibreMapStateJni extends MapLibreMapState
     await runOnPlatformThread(() {
       final completer = Completer<void>();
       jniMap.moveCamera(cameraUpdate);
+      // TODO: jni causes sometimes a deadlock, complete immediately for now
+      completer.complete();
       /*jniMap.moveCamera$1(
         cameraUpdate,
         jni.MapLibreMap_CancelableCallback.implement(
@@ -331,6 +333,8 @@ final class MapLibreMapStateJni extends MapLibreMapState
     await runOnPlatformThread(() async {
       final completer = Completer<void>();
       jniMap.animateCamera$2(cameraUpdate, nativeDuration.inMilliseconds);
+      // TODO: jni causes sometimes a deadlock, complete immediately for now
+      completer.complete();
       /*jniMap.animateCamera$3(
         cameraUpdate,
         nativeDuration.inMilliseconds,
@@ -378,6 +382,8 @@ final class MapLibreMapStateJni extends MapLibreMapState
     await runOnPlatformThread(() {
       final completer = Completer<void>();
       jniMap.animateCamera$2(cameraUpdate, nativeDuration.inMilliseconds);
+      // TODO: jni causes sometimes a deadlock, complete immediately for now
+      completer.complete();
       /*jniMap.animateCamera$3(
         cameraUpdate,
         nativeDuration.inMilliseconds,