[UIK-5380][textarea] rewrite component to TS

[slizhevskyv-semrush]

Changelog

@semcore/textarea

Fixed

• Rewrite component to TS. Deprecate atomic types. Atomic types are part of NSTextarea namespace.

Motivation and Context

Rewrite components to TS. Deprecated atomic types in favor namespaces. Nothing changed in how component works.

How has this been tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).
• Nice improve.

Checklist:

• I have updated the documentation accordingly.
• I have added new tests on added of fixed functionality.