Add category_path_seperator in importer settings

Author: norgeindian

Model/Importer.php

@@ -43,6 +43,7 @@ public function __construct(
             'ignore_duplicates'                => $this->config->getIgnoreDuplicates(),
             'validation_strategy'              => $this->config->getValidationStrategy(),
             'allowed_error_count'              => $this->config->getAllowedErrorCount(),
+            'category_path_seperator'          => $this->configHelper->getCategoryPathSeperator(),
             '_import_multiple_value_separator' => Import::DEFAULT_GLOBAL_MULTI_VALUE_SEPARATOR,
         ];
     }