So I 100% think this is needed and would love to see it in place.
There is this thread already on the topic which I think is linked to your suggestion which you can vote on -
I think there was another thread also but cannot find for now.
But the more votes on features we desire the higher up the priority list it goes for the Asana team so make sure to check out the features being requested and voting for ones that you think will benefit your team