Fixing carousel drag to dismiss

This line seems to have been removed at some point. Adding it back to fix carousel drag

Author: emawby

iOS_SDK/OneSignalSDK/Source/OSInAppMessageViewController.m

@@ -686,7 +686,7 @@ - (void)jsEventOccurredWithBody:(NSData *)body {
             case OSInAppMessageBridgeEventTypePageRenderingComplete: {
                 // BOOL set to true since the JS event fired, meaning the WebView was populated properly with the IAM code
                 self.didPageRenderingComplete = true;
-               
+                self.message.dragToDismissDisabled = event.renderingComplete.dragToDismissDisabled;
                 self.message.position = event.renderingComplete.displayLocation;
                 self.message.height = event.renderingComplete.height;