Patch Management Remove apps from dropdown if already added

Its very frustrating if you want to add newly added apps to the Third Party patch management section that you need to check what apps you already have in the list; See screenshot. 

It would be better to remove items from the dropdown list if they already are in a rule.

I understand that you will be able to have multiple rules (1 for install and 1 for update)

But you would be able to make a Checkbox or some other solution to get this done.

Or put a Checkbox in the dropdown list or whatever to quickly see what is already added to a rule. That way its easier to keep the list up to date since you are adding apps all the time.