sort first with exactly phrase

public/userarea/gridRenderer.js

@@ -134,12 +134,35 @@
         );
     }
 
+    function sortSelect2ResultsByStart(data) {
+        const term = $(".select2-container--open .select2-search__field").val();
+
+        if (!term) {
+            return data;
+        }
+
+        const search = term.toLowerCase().trim();
+
+        return data.sort(function (a, b) {
+            const textA = (a.text || "").toLowerCase().trim();
+            const textB = (b.text || "").toLowerCase().trim();
+
+            const aStarts = textA.startsWith(search);
+            const bStarts = textB.startsWith(search);
+
+            if (aStarts && !bStarts) return -1;
+            if (!aStarts && bStarts) return 1;
+
+            return textA.localeCompare(textB, "it", { sensitivity: "base" });
+        });
+    }
     // Select2 AJAX config for client selects
     const clientSelect2Config = {
         placeholder: "Search client...",
         allowClear: true,
         width: "100%",
         minimumInputLength: 0,
+        sorter: sortSelect2ResultsByStart,
         dropdownCssClass: "select2-dropdown-smaller",
         ajax: {
             url: "search_clienti.php",
@@ -341,6 +364,7 @@
             allowClear: true,
             width: "100%",
             minimumInputLength: 0,
+            sorter: sortSelect2ResultsByStart,
             ajax: {
                 url: "search_customfield_values.php",
                 dataType: "json",
@@ -1133,6 +1157,7 @@
                     placeholder: "Seleziona...",
                     allowClear: true,
                     width: "100%",
+                    sorter: sortSelect2ResultsByStart,
                 });
             } else {
                 const items = fixedFieldCache[fieldKey] || [];