[WIP][Op][PT FE] Enable ISTFT for Pytorch Frontend #6834

Job	Run time
Smart_CI	26s
Docker	1m 3s
Build	9m 32s
Python API tests (3.13, openvinogithubactions.azurecr.io/ov_test/ubuntu_20_04_x64_py313:pr-28040) / Python API tests	2m 29s
Python API tests (3.11, openvinogithubactions.azurecr.io/ov_test/ubuntu_22_04_x64:pr-28040) / Python API tests	2m 25s
Python API tests (3.12, openvinogithubactions.azurecr.io/ov_test/ubuntu_24_04_x64:pr-28040) / Python API tests	2m 34s
Python API tests (3.10, openvinogithubactions.azurecr.io/ov_test/debian_10_py310:pr-28040) / Python API tests	3m 6s
Python API tests (3.9, openvinogithubactions.azurecr.io/ov_test/fedora_33:pr-28040) / Python API tests	2m 39s
ci/gha_overall_status_manylinux2014	1s
	24m 15s

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