Fix the wrong currency code mouser returns for chinese yuan

This fixes issue #1045

src/Services/InfoProviderSystem/Providers/MouserProvider.php

@@ -305,6 +305,17 @@ class MouserProvider implements InfoProviderInterface
         return (float)$val;
     }
 
+    private function mapCurrencyCode(string $currency): string
+    {
+        //Mouser uses "RMB" for Chinese Yuan, but the correct ISO code is "CNY"
+        if ($currency === "RMB") {
+            return "CNY";
+        }
+
+        //For all other currencies, we assume that the ISO code is correct
+        return $currency;
+    }
+
     /**
      * Converts the pricing (StandardPricing field) from the Mouser API to an array of PurchaseInfoDTOs
      * @param  array  $price_breaks
@@ -321,7 +332,7 @@ class MouserProvider implements InfoProviderInterface
             $prices[] = new PriceDTO(
                 minimum_discount_amount: $price_break['Quantity'],
                 price: (string)$number,
-                currency_iso_code: $price_break['Currency']
+                currency_iso_code: $this->mapCurrencyCode($price_break['Currency'])
             );
         }