Prefer grouping `Add` and `Done` together
Prefer grouping `Add` and `Done` together

and always call `Done` with defer.

mnsl/Sia,mharkus/Sia,ChrisSchinnerl/Sia,rivine/rivine,ericflo/Sia,ericflo/Sia,ChrisSchinnerl/Sia,NebulousLabs/Sia,mtlynch/Sia,mnsl/Sia,mharkus/Sia,mtlynch/Sia,NebulousLabs/Sia,rivine/rivine,MrStrong/Sia,MrStrong/Sia