chore: log extracted currency when it's found by locator.

Should be in a5ba1b6 commit.

Author: php-coder

src/main/java/ru/mystamps/web/feature/series/importing/extractor/JsoupSiteParser.java

@@ -224,6 +224,7 @@ protected String extractCurrency(Element body) {
 		if (currencyLocator != null) {
 			String currency = getTextOfTheFirstElement(body, currencyLocator);
 			if (currency != null) {
+				LOG.debug("Extracted currency: '{}'", currency);
 				return currency;
 			}
 		}