Set clear icon of add package box

lib/providers/packages.dart

@@ -45,6 +45,19 @@ class PackageProvider extends ChangeNotifier {
     notifyListeners();
   }
 
+  bool isClear = false;
+
+  setClear(int index) {
+    isClear = true;
+    itemValues[index].clear();
+    notifyListeners();
+  }
+
+  reSetClear() {
+    isClear = false;
+    notifyListeners();
+  }
+
   changeItemVal(String value, int index) {
     for (var item in filteredItems!) {
       if (item.udi_name == value) {