fixed saving and modifying parts

public/userarea/parts.js

@@ -179,7 +179,7 @@ $(document).ready(function () {
     function addNewRow(nextPartNumber, isMix = false) {
         const description = isMix ? "Mix" : "";
         const newRow = `
-            <tr data-part-id="new">
+            <tr data-part-id="">
                 <td><input type="number" class="form-control form-control-sm part-number" value="${nextPartNumber || 1}" style="width: 80px;"></td>
                 <td><input type="text" class="form-control form-control-sm part-description" value="${description}" placeholder="Inserisci descrizione" style="width: 100%;"></td>
                 <td>
@@ -290,13 +290,14 @@ $(document).ready(function () {
                 contentType: "application/json",
                 success: function (response) {
                     if (response.success) {
-                        // თუ ახალია, backend-მა მოგვცა ახალი ID
-                        if (response.part_id) {
-                            $row.data("part-id", response.part_id);
-                        }
                         $saveLoading.hide();
                         $saveStatus.show();
                         updatePartsList();
+                        // თუ ახალია, backend-მა მოგვცა ახალი ID
+                        if (response.part_id) {
+                            $row.attr("data-part-id", response.part_id);
+                            $row.data("part-id", response.part_id);
+                        }
                         setTimeout(() => $saveStatus.hide(), 2000);
                     } else {
                         alert("Errore nel salvataggio: " + response.message);