MemoryViz: print stream 0 if other streams exist (#106483)
It is confusing to not print stream 0, but print other streams. It makes stream 0
allocations seem like they are missing a stream annotation. This change will print streams
for everything unless all the events are on stream 0, then it will just not print streams.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/106483
Approved by: https://github.com/albanD
ghstack dependencies: #106328, #106482
