When not visible, only batch fetch to fill visible area

AsyncDisplayKit/ASCollectionView.mm

@@ -1708,6 +1708,12 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
     [_rangeController setNeedsUpdate];
     [_rangeController updateIfNeeded];
   }
+
+  // When we aren't visible, we will only fetch up to the visible area. Now that we are visible,
+  // we will fetch visible area + leading screens, so we need to check.
+  if (visible) {
+    [self _checkForBatchFetching];
+  }
 }
 
 #pragma mark ASCALayerExtendedDelegate