Fix React Native 0.79 Kotlin compilation errors

- Fix currentActivity reference in CameraViewModule
- Convert Map to MutableMap in CameraViewManager for RN 0.79 compatibility

package/android/src/main/java/com/mrousavy/camera/CameraViewModule.kt

@@ -157,7 +157,7 @@ class CameraViewModule(reactContext: ReactApplicationContext) : ReactContextBase
   }
 
   private fun canRequestPermission(permission: String): Boolean {
-    val activity = currentActivity as? PermissionAwareActivity
+    val activity = reactApplicationContext.currentActivity as? PermissionAwareActivity
     return activity?.shouldShowRequestPermissionRationale(permission) ?: false
   }