World inspector: Show entities IDs even when a name is present

[Azorlogh]

It would be very useful for debugging purposes to include the Entity's index & generation besides the name in the default world inspector.

[rparrett]

This would be nice.

For context, I am trying to find a particular named entity in a huge list of entities with the same name, and I have its entity id. If I remove the names, I now have to wade through every other unnamed entity to find it.