[TF FE] Fix coverity issues to avoid uninitialized vars #13669

Job	Run time
Smart_CI	17s
Docker	59s
Build / Build	12m 3s
Samples	0s
Conformance	0s
OpenVINO JS API	0s
ONNX Runtime Integration	0s
CPU functional tests	0s
ONNX Models Tests	0s
iGPU Tests	0s
NVIDIA plugin	0s
dGPU Tests	0s
Debian Packages / Debian Packages	1m 42s
C++ unit tests / C++ unit tests	1m 7s
OpenVINO tokenizers extension / OpenVINO tokenizers extension	3m 10s
Python unit tests / Python unit tests	4m 7s
Pytorch Layer Tests / PyTorch Layer Tests	3m 32s
TensorFlow TF Hub Models tests	0s
TensorFlow Hugging Face Models tests	0s
JAX/Flax Models tests	0s
PyTorch Models tests	0s
PyTorch Models Nightly Scope1 tests	0s
PyTorch Models Nightly Scope2 tests	0s
TensorFlow Layer Tests / TensorFlow Layer Tests	14m 44s
TensorFlow Models tests / TensorFlow Models tests	13m 38s
ci/gha_overall_status	1s
	55m 20s

Provide feedback