fix: fix the error.

Author: ping-yee

system/Helpers/number_helper.php

@@ -77,7 +77,7 @@ function number_to_amount($num, int $precision = 0, ?string $locale = null)
     {
         // Strip any formatting & ensure numeric input
         try {
-            $num = 0 + (int) str_replace(',', '', $num);
+            $num = 0 + str_replace(',', '', $num);
         } catch (ErrorException $ee) {
             return false;
         }