Fix Copilot catches

Author: kmichalikk

ios/gamma/stack/host/RNSStackHostComponentView.mm

@@ -119,7 +119,7 @@ - (void)addPopOperationIfNeeded:(nonnull RNSStackScreenComponentView *)stackScre
 {
   if (stackScreen.activityMode == RNSStackScreenActivityModeAttached && !stackScreen.isNativelyDismissed) {
     // This shouldn't happen in typical scenarios but it can happen with fast-refresh.
-    [_stackOperationCoordinator addPushOperation:stackScreen];
+    [_stackOperationCoordinator addPopOperation:stackScreen];
   } else {
     RNSLog(
         @"[RNScreens] ignoring pop operation of %s, already not attached or natively dismissed",

ios/gamma/stack/screen/RNSStackScreenController.mm

@@ -58,7 +58,7 @@ - (void)didMoveToParentViewController:(UIViewController *)parent
   [super didMoveToParentViewController:parent];
 
   if (parent == nil) {
-    if (_screenView.activityMode == RNSStackScreenActivityModeAttached) {
+    if (_screenView.activityMode == RNSStackScreenActivityModeDetached) {
       [[self reactEventEmitter] emitOnDismiss];
     } else {
       _screenView.isNativelyDismissed = YES;