* Enable aten::multinomial in PT FE * Add aten::multinomial test * Fix typo * Update tests/layer_tests/pytorch_tests/test_multinomial.py Co-authored-by: Roman Kazantsev <roman.kazantsev@intel.com> * Update multinomial to changes in specification * rm ; * Add temporary convert for multinomial i64 support * Revert convert * Fix torch test --------- Co-authored-by: Roman Kazantsev <roman.kazantsev@intel.com>