fix: add null check for extras

Author: jinliu9508

OneSignalSDK/onesignal/core/src/main/java/com/onesignal/core/activities/PermissionsActivity.kt

@@ -39,8 +39,8 @@ class PermissionsActivity : Activity() {
 
     private fun handleBundleParams(extras: Bundle?) {
         // https://github.com/OneSignal/OneSignal-Android-SDK/issues/30
-        // Activity maybe invoked directly through automated testing, omit prompting on old Android versions.
-        if (Build.VERSION.SDK_INT < 23) {
+        // Activity maybe invoked directly through automated testing, omit prompting on old Android versions or extra being null.
+        if (Build.VERSION.SDK_INT < 23 || extras == null) {
             finish()
             overridePendingTransition(R.anim.onesignal_fade_in, R.anim.onesignal_fade_out)
             return