fix(ios): resolve scrollEnabled prop initialization timing issue

Store scrollEnabled state in an ivar and apply it when the scroll view becomes available, rather than attempting to set it before initialization. This ensures the prop works reliably regardless of when props are updated relative to UIPageViewController setup.

Also reset scrollEnabled to its default value (YES) in prepareForRecycle to prevent recycled components from retaining the previous instance's scroll state.

Update setScrollEnabledImperatively to use the new state management pattern by updating the ivar and calling applyScrollEnabled, ensuring consistency whether called before or after scrollView initialization.

Author: okwasniewski

ios/RNCPagerViewComponentView.mm

@@ -28,6 +28,7 @@ @implementation RNCPagerViewComponentView {
     NSInteger _destinationIndex;
     BOOL _overdrag;
     NSString *_layoutDirection;
+    BOOL _scrollEnabled;
 }
 
 // Needed because of this: https://github.com/facebook/react-native/pull/37274
@@ -64,6 +65,9 @@ - (void)initializeNativePageViewController {
             scrollView = (UIScrollView *)subview;
         }
     }
+    
+    // Apply scroll enabled state if it was set before initialization
+    [self applyScrollEnabled];
 }
 
 - (instancetype)initWithFrame:(CGRect)frame
@@ -76,6 +80,7 @@ - (instancetype)initWithFrame:(CGRect)frame
         _destinationIndex = -1;
         _layoutDirection = @"ltr";
         _overdrag = NO;
+        _scrollEnabled = YES;
     }
 
     return self;
@@ -126,6 +131,7 @@ -(void)prepareForRecycle {
     [super prepareForRecycle];
     _nativePageViewController = nil;
     _currentIndex = -1;
+    _scrollEnabled = YES;
 }
 
 - (void)shouldDismissKeyboard:(RNCViewPagerKeyboardDismissMode)dismissKeyboard {
@@ -143,6 +149,12 @@ - (void)shouldDismissKeyboard:(RNCViewPagerKeyboardDismissMode)dismissKeyboard {
 #endif
 }
 
+- (void)applyScrollEnabled {
+    if (scrollView != nil) {
+        scrollView.scrollEnabled = _scrollEnabled;
+    }
+}
+
 
 - (void)updateProps:(const facebook::react::Props::Shared &)props oldProps:(const facebook::react::Props::Shared &)oldProps{
     const auto &oldScreenProps = *std::static_pointer_cast<const RNCViewPagerProps>(_props);
@@ -165,8 +177,9 @@ - (void)updateProps:(const facebook::react::Props::Shared &)props oldProps:(cons
         [self shouldDismissKeyboard: newScreenProps.keyboardDismissMode];
     }
 
-    if (newScreenProps.scrollEnabled != scrollView.scrollEnabled) {
-        scrollView.scrollEnabled = newScreenProps.scrollEnabled;
+    if (oldScreenProps.scrollEnabled != newScreenProps.scrollEnabled) {
+        _scrollEnabled = newScreenProps.scrollEnabled;
+        [self applyScrollEnabled];
     }
 
     if (newScreenProps.overdrag != _overdrag) {
@@ -387,7 +400,8 @@ - (void)setPageWithoutAnimation:(NSInteger)index {
 }
 
 - (void)setScrollEnabledImperatively:(BOOL)scrollEnabled {
-    [scrollView setScrollEnabled:scrollEnabled];
+    _scrollEnabled = scrollEnabled;
+    [self applyScrollEnabled];
 }
 
 #pragma mark - Helpers