[MNT] Update similarity search with new base classes

[baraline]

Describe the issue

As new base classes were introduced by #996 , we should update the similarity search module to use these classes. We are still in the context of a single query matching a series or a collection. The case of a collection of queries will come later.

Suggest a potential alternative/fix

Redisgn the API to use BaseSeriesEstimators as a base case and warp around it for collections.

Additional context

No response