The answer briefly is yes. Generally, the longer it takes to resolve a case, the better chance you have for a dismissal. Over time, papers are more likely to get lost, memories more likely to fade, etc. So overall the closure of traffic court is helpful for your case.
With that said, it does not mean you will beat your traffic ticket, only that your chances are better. The governmental closure of the traffic courts was done to reduce the spreading of the Coronavirus and is a legitimate reason to do so.