Propagate ASCellNode's clipsToBounds value to the __ASTableViewCell

AsyncDisplayKit/ASCellNode.m

@@ -25,6 +25,7 @@ - (instancetype)init
 
   // use UITableViewCell defaults
   _selectionStyle = UITableViewCellSelectionStyleDefault;
+  self.clipsToBounds = YES;
 
   return self;
 }

AsyncDisplayKit/ASTableView.mm

@@ -389,6 +389,11 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
   cell.backgroundColor = node.backgroundColor;
   cell.selectionStyle = node.selectionStyle;
 
+  // the following ensures that we clip the entire cell to it's bounds if node.clipsToBounds is set (the default)
+  // This is actually a workaround for a bug we are seeing in some rare cases (selected background view
+  // overlaps other cells if size of ASCellNode has changed.)
+  cell.clipsToBounds = node.clipsToBounds;
+
   return cell;
 }