* [TF FE] Support TF1 While Control flow Signed-off-by: Kazantsev, Roman <roman.kazantsev@intel.com> * Apply code-style fix * Update API for OpPlace to store back edge * Fix build: no rvalue by reference passing * Fix build issue: correct type * Fix TF FE unit-tests * Apply code-review feedback: remove unused vars * Fix fusing complicated case of TF1 While * Remove unused variable * Update MO unit test * Fix layer tests for While * Handle Switch and NextIteration nodes connected directly Signed-off-by: Kazantsev, Roman <roman.kazantsev@intel.com> --------- Signed-off-by: Kazantsev, Roman <roman.kazantsev@intel.com>