[dtensor][debug] visualize_sharding skip if the current rank is not in mesh (#121382)
**Summary**
We should skip the `visualize_sharding()` function on those ranks that are not a part of the DTensor's mesh. If not, exception will be thrown in current visualize logic.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/121382
Approved by: https://github.com/wanchaol
ghstack dependencies: #121385
