local network: fix table cell background colors

Sources/VLCLocalServerFolderListViewController.m

@@ -262,7 +262,7 @@
 - (void)tableView:(UITableView *)tableView willDisplayCell:(VLCLocalNetworkListCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
 {
     UIColor *color = (indexPath.row % 2 == 0)? [UIColor blackColor]: [UIColor colorWithWhite:.122 alpha:1.];
-    cell.backgroundColor = cell.titleLabel.backgroundColor = cell.folderTitleLabel.backgroundColor = cell.subtitleLabel.backgroundColor =  color;
+    cell.contentView.backgroundColor = cell.titleLabel.backgroundColor = cell.folderTitleLabel.backgroundColor = cell.subtitleLabel.backgroundColor =  color;
 }
 
 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

Sources/VLCLocalServerListViewController.m

@@ -224,7 +224,7 @@
 - (void)tableView:(UITableView *)tableView willDisplayCell:(VLCLocalNetworkListCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
 {
     UIColor *color = (indexPath.row % 2 == 0)? [UIColor blackColor]: [UIColor colorWithWhite:.122 alpha:1.];
-    cell.backgroundColor = cell.titleLabel.backgroundColor = cell.folderTitleLabel.backgroundColor = cell.subtitleLabel.backgroundColor =  color;
+    cell.contentView.backgroundColor = cell.titleLabel.backgroundColor = cell.folderTitleLabel.backgroundColor = cell.subtitleLabel.backgroundColor =  color;
 }
 
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath