fix stride for 1d maxpooling (#5710)

* fix stride for 1d maxpooling

* fix test

model-optimizer/mo/front/kaldi/extractors/max_pooling_ext.py

@@ -36,7 +36,7 @@ class MaxPoolingComponentFrontExtractor(FrontExtractorOp):
 
         mapping_rule = {
             'window': np.array([1, 1, 1, kernel], dtype=np.int64),
-            'stride': np.array([1, 1, stride, stride], dtype=np.int64),
+            'stride': np.array([1, 1, 1, stride], dtype=np.int64),
             'pool_stride': pool_stride,
             'pool_step': pool_step,
             'pad': np.array([[0, 0], [0, 0], [0, 0], [0, 0]], dtype=np.int64),

model-optimizer/unit_tests/mo/front/kaldi/extractors/max_pooling_ext_test.py

@@ -27,7 +27,7 @@ class MaxPoolingComponentFrontExtractorTest(KaldiFrontExtractorTest):
     def test_attrs(self):
         val_attrs = {
             'window': [1, 1, 1, 2],
-            'stride': [1, 1, 2, 2],
+            'stride': [1, 1, 1, 2],
             'pool_stride': 4,
             'pad': [[[0, 0], [0, 0], [0, 0], [0, 0]]]
         }