Work around a bug that causes the 'playSound' key to arrive as a string causing attempts to read it to fail. Instead just check if it was set before attempting to play a sound. https://chefsteps.atlassian.net/browse/MOBCOOK-4510

Author: fiskars007

android/src/main/java/com/dieam/reactnativepushnotification/modules/RNPushNotificationHelper.java

@@ -279,7 +279,7 @@ public void sendToNotificationCentre(Bundle bundle) {
             bundle.putBoolean("userInteraction", true);
             intent.putExtra("notification", bundle);
 
-            if (!bundle.containsKey("playSound") || bundle.getBoolean("playSound")) {
+            if (bundle.containsKey("playSound")) {
                 Uri soundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
                 String soundName = bundle.getString("soundName");
                 if (soundName != null) {