fix(ios): switching between the pages for rapid tabs

Author: danilobuerger

ios/ReactNativePageView.m

@@ -178,6 +178,12 @@ - (void)setReactViewControllers:(NSInteger)index
     if (self.reactPageViewController == nil) {
         return;
     }
+
+    NSArray *currentVCs = self.reactPageViewController.viewControllers;
+    if (currentVCs.count == 1 && [currentVCs.firstObject isEqual:controller]) {
+        return;
+    }
+
     __weak ReactNativePageView *weakSelf = self;
     uint16_t coalescingKey = _coalescingKey++;