Extract base TypeConverter class to the root namespace

Description

The TypeConverter class is being exposed in the Mapping namespace but it's used for UDTs and Graph. We should extract a base "internal" class that belongs to the root namespace (core driver component) while keep exposing the derived type on the Mapping namespace.

Environment

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Assignee

Unassigned

Reporter

Joao Reis

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Pull Request

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Epic Link

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Sprint

C# P-NEXT

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Priority

Major
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