Refactor TTS initialization and enable greedy search functionality #624

Job	Run time
Smart CI	24s
Build Tokenizers & WWB Wheels	-1s
Download OpenVINO	-1s
Build Archive - ${{ matrix.build-type }}	-1s
Build Node.js bindings	-1s
Build GenAI Wheel - Python ${{ matrix.python-version }}	-1s
ci/gha_overall_status_manylinux_2_28	2s
Python (${{ matrix.test.name }}) Tests (wheel)	-1s
Store build artifacts	-1s
Node.js bindings tests	-1s
	18s

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