fix Bug #7895

lib/presentation/screens/actions/harvest_process/sc_edit_action_harvest_process.dart

@@ -171,7 +171,7 @@ class _EditActionHarvestProcessScreenState
         if (snapshot.hasData) {
           return DropdownButtonFormField<Harvest>(
               value: harvestValue,
-              hint: Text("Mã thu hoạch *"),
+              hint: Text("Mã thu hoạch"),
               onChanged: (Harvest newValue) {
                 setState(() {
                   harvestValue = newValue;

lib/presentation/screens/actions/packing/sc_edit_action_packing.dart

@@ -155,7 +155,7 @@ class _EditActionPackingScreenState extends State<EditActionPackingScreen> {
         if (snapshot.hasData) {
           return DropdownButtonFormField<Harvest>(
               value: harvestValue,
-              hint: Text("Mã thu hoạch *"),
+              hint: Text("Mã thu hoạch"),
               onChanged: (Harvest newValue) {
                 setState(() {
                   harvestValue = newValue;

lib/presentation/screens/actions/sell/sc_edit_action_sell.dart

@@ -153,7 +153,7 @@ class _EditActionSellScreenState extends State<EditActionSellScreen> {
         if (snapshot.hasData) {
           return DropdownButtonFormField<Harvest>(
               value: harvestValue,
-              hint: Text("Mã thu hoạch *"),
+              hint: Text("Mã thu hoạch"),
               onChanged: (Harvest newValue) {
                 setState(() {
                   harvestValue = newValue;