About blank blocks

[rtian001]

https://github.com/iamfugui/YouTubeADB/blob/b0bdfa35878d01dd0be6696f1a027e2fe8aa2492/index.user.js#L135

        if(seletor=='ytd-ad-slot-renderer'){
            cssSeletorArr[index]='ytd-rich-item-renderer:has(ytd-ad-slot-renderer){display:none!important}}'
        }