Fix product performance grouped JSON build

ui/src/pages/ProductionProductCostingHasCostDetail.vue

@@ -2711,6 +2711,8 @@ function normalizeDetailRows (items, groupName = '') {
       inputPrice: x?.inputPrice ?? normalizeInputPrice(x?.fiyat_girilen),
       inputPricePrBr: originalCurrency,
       maliyeteDahil: normalizeBooleanFlag(x?.maliyeteDahil ?? x?.maliyete_dahil ?? x?.Maliyete_dahil),
+      __lastValidTRYAmount: parseMoneyInput(x?.lTutar ?? x?.lTutarTL),
+      __lastValidUSDAmount: parseMoneyInput(x?.usdTutar ?? x?.lTutarUSD),
       cmPriceTypeId: normalizeCMPriceTypeId(x?.cmPriceTypeId ?? x?.cm_price_type_id, groupName || x?.sAciklama3),
       draftChanged: Boolean(x?.draftChanged),
       priceUpdateState: String(x?.priceUpdateState || '').trim()
@@ -2812,6 +2814,13 @@ function recalculateDetailRow (row, options = {}) {
   row.lTutarGBP = row.gbpTutar
   row.lTutarTL = row.lTutar
 
+  if (row.lTutar !== 0 || options.markChanged) {
+    row.__lastValidTRYAmount = row.lTutar
+  }
+  if (row.usdTutar !== 0 || options.markChanged) {
+    row.__lastValidUSDAmount = row.usdTutar
+  }
+
   if (!options.preserveInputs) {
     row.miktarInput = normalizeQuantityInput(quantity)
     row.inputPrice = normalizeInputPrice(inputPrice)
@@ -2917,12 +2926,16 @@ function resolveGroupRawTRYTutar (grp) {
 
 function resolveGroupRowTRYAmount (row) {
   const storedAmount = parseMoneyInput(row?.lTutar)
-  return storedAmount !== 0 ? storedAmount : resolveRowTRYTutar(row)
+  if (storedAmount !== 0) return storedAmount
+  const lastValidAmount = parseMoneyInput(row?.__lastValidTRYAmount)
+  return lastValidAmount !== 0 ? lastValidAmount : resolveRowTRYTutar(row)
 }
 
 function resolveGroupRowUSDAmount (row) {
   const storedAmount = parseMoneyInput(row?.usdTutar ?? row?.lTutarUSD)
-  return storedAmount !== 0 ? storedAmount : resolveRowUSDTutar(row)
+  if (storedAmount !== 0) return storedAmount
+  const lastValidAmount = parseMoneyInput(row?.__lastValidUSDAmount)
+  return lastValidAmount !== 0 ? lastValidAmount : resolveRowUSDTutar(row)
 }
 
 function resolveGroupTRYTutar (grp, _revision) {