Refactor TTS initialization and enable greedy search functionality #617

Job	Run time
Smart CI	21s
Download OpenVINO	1s
Build Node.js bindings	1s
Build GenAI Wheel - Python ${{ matrix.python-version }}	1s
Node.js bindings tests	1s
Build Archive - ${{ matrix.build-type }}	1s
Build Tokenizers & WWB Wheels	1s
ci/gha_overall_status_manylinux_2_28	3s
Store build artifacts	1s
Python (${{ matrix.test.name }}) Tests (wheel)	1s
	32s

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