changes frontend validation for import allowed error count to be 0 or greater to match backend code

Author: asim-blueprintprep

app/code/Magento/ImportExport/Block/Adminhtml/Import/Edit/Form.php

@@ -154,7 +154,7 @@ protected function _prepareForm()
                     'required' => true,
                     'disabled' => true,
                     'value' => 10,
-                    'class' => $behaviorCode . ' validate-number validate-greater-than-zero input-text',
+                    'class' => $behaviorCode . ' validate-number validate-zero-or-greater input-text',
                     'note' => __(
                         'Please specify number of errors to halt import process'
                     ),