How to prevent screen recording from iOS 18 onwards as isCaptured is deprecated from iOS 18 ?

I am developing an iPhone app related to finance and currently I am using isCaptured value to prevent screen recording by checking the isCaptured value and if it is true then I blur the video recording. It was working fine while using UIScreen.main.isCaptured till iOS 17 . But for iOS 18 it became deprecated and it is not working any more. Below is the obj-c code block.

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions: 
 (NSDictionary *)launchOptions
{
if (@available(iOS 11.0, *)) {
    BOOL isCaptured = [[UIScreen mainScreen] isCaptured];
    if(isCaptured){
       // Do the action for hiding the screen recording
                  } 
   } else{
        // Fallback on earlier versions
         }
 return YES;
}

The replacement sceneCaptureState is working only for a scene-based app which uses UISceneDelegate lifecycle but it's not working for the old structure so now i have that problem, my iPhone app is very big and does not support scenes at all since we are following UIAppDelegate life cycle for years, what shall I do to prevent screen recording from iOS 18 onwards ?

Note: My iPhone app does not support any scene configuration

Please help me in this.

Regards,

Carol