Ensure correct spelling of commandType (#2246)

ios/RCCNavigationController.m

     if (!component) return;
     
     NSMutableDictionary *passProps = [actionParams[@"passProps"] mutableCopy];
-    passProps[@"commantType"] = @"resetTo";
+    passProps[@"commandType"] = @"resetTo";
     NSDictionary *navigatorStyle = actionParams[@"style"];
     
     RCCViewController *viewController = [[RCCViewController alloc] initWithComponent:component passProps:passProps navigatorStyle:navigatorStyle globalProps:nil bridge:bridge];