Correct type annotation for EntityPlatform.async_register_entity_service

[emontnemery]

Proposed change

Correct type annotation for EntityPlatform.async_register_entity_service; it doesn't handle a None schema passed to it

This partially reverts changes from PR #120475

Needs #123060

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[cdce8p]

Looks good. Should this be included in the beta as well, just in case custom integrations use it for type checking?

[emontnemery]

Looks good. Should this be included in the beta as well, just in case custom integrations use it for type checking?

Yes, I think that makes sense 👍

As discussed on Discord, I think it makes sense to actually allow passing a None schema, I think we should look into that.