Can clear cost value quickly

moneymgr_mobile/lib/widgets/expense_editor.dart

@@ -40,6 +40,11 @@ class ExpenseEditor extends HookConsumerWidget {
 
     final (:pending, :snapshot, :hasError) = useAsyncTask();
 
+    // Clear cost value
+    handleClearCost() {
+      costController.text = "";
+    }
+
     // Pick a new date
     handlePickDate() async {
       final date = await showDatePicker(
@@ -137,7 +142,13 @@ class ExpenseEditor extends HookConsumerWidget {
               decimal: true,
               signed: false,
             ),
-            decoration: const InputDecoration(labelText: 'Cost'),
+            decoration: InputDecoration(
+              labelText: 'Cost',
+              suffixIcon: IconButton(
+                onPressed: handleClearCost,
+                icon: const Icon(Icons.clear),
+              ),
+            ),
             textInputAction: TextInputAction.done,
           ),