fix: price not match with original price by .01

This will calculate quantity later when no discount is set.
However when discount is set there may be some number that can introduce
+-0.01

src/components/05_quotation/ProductItem.vue

@@ -54,9 +54,13 @@ function calcPrice(c: (typeof rows.value)[number]) {
   return precisionRound(
     c.pricePerUnit * c.amount -
       c.discount +
-      (c.product.calcVat
-        ? (c.pricePerUnit * c.amount - c.discount) * (config.value?.vat || 0.07)
-        : 0),
+      precisionRound(
+        c.product.calcVat
+          ? (c.pricePerUnit * (c.discount ? c.amount : 1) - c.discount) *
+              (config.value?.vat || 0.07)
+          : 0,
+      ) *
+        (!c.discount ? c.amount : 1),
   );
 }
 

src/pages/05_quotation/QuotationForm.vue

@@ -214,9 +214,11 @@ function getPrice(
       }
 
       const price = precisionRound(c.pricePerUnit * c.amount);
-      const vat = precisionRound(
-        (c.pricePerUnit * c.amount - c.discount) * (config.value?.vat || 0.07),
-      );
+      const vat =
+        precisionRound(
+          (c.pricePerUnit * (c.discount ? c.amount : 1) - c.discount) *
+            (config.value?.vat || 0.07),
+        ) * (!c.discount ? c.amount : 1);
 
       a.totalPrice = precisionRound(a.totalPrice + price);
       a.totalDiscount = precisionRound(a.totalDiscount + Number(c.discount));