Encapsulate logic in DistributedType

[carmocca]

🚀 Feature

Any logic to compare different DistributedTypes should be encapsulated by the enum itself.

Motivation

• PoC: Accelerator refactor #5743 (comment)
• PoC: Accelerator refactor #5743 (comment)
• Ensure accelerator is valid if running interactively #5970 (comment)

Additional context

https://github.com/PyTorchLightning/pytorch-lightning/blob/0b271474e5cc35a40009559d6c4488ab3b02723e/pytorch_lightning/utilities/enums.py#L51-L69

cc: @awaelchli

[carmocca]

Duplicate of #5478