Fixing IAM Preview (#772)

* Fixing IAM preview not displaying

* combining iOS version and preview check

Author: emawby

iOS_SDK/OneSignalSDK/Source/OneSignal.m

@@ -1930,10 +1930,7 @@ + (void)notificationReceived:(NSDictionary*)messageDict foreground:(BOOL)foregro
     [OneSignalHelper lastMessageReceived:messageDict];
 
     BOOL isPreview = [[OSNotification parseWithApns:messageDict] additionalData][ONESIGNAL_IAM_PREVIEW] != nil;
-    if (isPreview && [OneSignalHelper isIOSVersionLessThan:@"10.0"]) {
-        return;
-    }
-
+    
     if (opened) {
         // Prevent duplicate calls
         let newId = [self checkForProcessedDups:customDict lastMessageId:_lastnonActiveMessageId];
@@ -1951,6 +1948,9 @@ + (void)notificationReceived:(NSDictionary*)messageDict foreground:(BOOL)foregro
 
         // Call Action Block
         [OneSignal handleNotificationOpened:messageDict foreground:foreground isActive:isActive actionType:type];
+    } else if (isPreview && [OneSignalHelper isIOSVersionGreaterThanOrEqual:@"10.0"]) {
+        let notification = [OSNotification parseWithApns:messageDict];
+        [OneSignalHelper handleIAMPreview:notification];
     }
 }