fix: iOS splash bug

Author: funnyzak

ios/app/AppDelegate.mm

@@ -11,9 +11,11 @@ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(
   // They will be passed down to the ViewController used by React Native.
   self.initialProps = @{};
 
-  return [super application:application didFinishLaunchingWithOptions:launchOptions];
+  [super application:application didFinishLaunchingWithOptions:launchOptions];
 
   [RNSplashScreen show]; // react-native-splash-screen
+  
+  return YES;
 }
 
 - (NSURL *)sourceURLForBridge:(RCTBridge *)bridge