Add gridlines(boxes) in main area only

[wangzunq]

Describe the issue
I want to show grid lines for each boxes in main plot area by enabling borderCol but it also creates grid lines for left and right annotations for gene names and %. How to avoid side gridlines

[PoisonAlien]

Hi,

Thanks for the issue. I have fixed it. Please install the tool from GitHub for changes. Let me know if this helps.