Fixed crash when initWithLaunchOptions isn’t called

* Fixes crash with nil request sent to NSURLConnection.sendAsynchronousRequest:queue:completionHandler:
* This can happen if OneSignal.m is loaded into memory but initWithLaunchOptions is never called.

Author: jkasten2

iOS_SDK/OneSignal/OneSignal.m

@@ -547,7 +547,7 @@ + (void)setNotificationDisplayOptions:(NSNumber*)option {
 
     // Special Case: If iOS version < 10 && Option passed is 2, default to inAppAlerts.
     NSInteger op = option.integerValue;
-    if(![OneSignalHelper isiOS10Plus] && OSNotificationDisplayTypeNotification == op)
+    if (![OneSignalHelper isiOS10Plus] && OSNotificationDisplayTypeNotification == op)
         op = OSNotificationDisplayTypeInAppAlert;
 
     [[NSUserDefaults standardUserDefaults] setObject:@(op) forKey:@"ONESIGNAL_ALERT_OPTION"];
@@ -884,6 +884,9 @@ + (void)sendPurchases:(NSArray*)purchases {
 //    - 2A. iOS 9  - Notification received while app is in focus.
 //    - 2B. iOS 10 - Notification received/displayed while app is in focus.
 + (void)notificationOpened:(NSDictionary*)messageDict isActive:(BOOL)isActive {
+    if (!app_id)
+        return;
+    
     onesignal_Log(ONE_S_LL_VERBOSE, @"notificationOpened:isActive called!");
 
     NSDictionary* customDict = [messageDict objectForKey:@"os_data"];

iOS_SDK/OneSignal/UIApplicationDelegate+OneSignal.m

@@ -152,7 +152,8 @@ - (void)oneSignalDidRegisterForRemoteNotifications:(UIApplication*)app deviceTok
 - (void)oneSignalDidFailRegisterForRemoteNotification:(UIApplication*)app error:(NSError*)err {
     [OneSignal onesignal_Log:ONE_S_LL_VERBOSE message:@"oneSignalDidFailRegisterForRemoteNotification:error:"];
 
-    [OneSignal handleDidFailRegisterForRemoteNotification:err];
+    if ([OneSignal app_id])
+        [OneSignal handleDidFailRegisterForRemoteNotification:err];
 
     if ([self respondsToSelector:@selector(oneSignalDidFailRegisterForRemoteNotification:error:)])
         [self oneSignalDidFailRegisterForRemoteNotification:app error:err];

iOS_SDK/OneSignal/UNUserNotificationCenter+OneSignal.m

@@ -107,7 +107,8 @@ - (void)onesignalUserNotificationCenter:(UNUserNotificationCenter *)center
         default: break;
     }
 
-    [OneSignal notificationOpened:notification.request.content.userInfo isActive:YES];
+    if ([OneSignal app_id])
+        [OneSignal notificationOpened:notification.request.content.userInfo isActive:YES];
 
     // Call orginal selector if one was set.
     if ([self respondsToSelector:@selector(onesignalUserNotificationCenter:willPresentNotification:withCompletionHandler:)])