Fix for tasks

lib/data/models/invoice_model.dart

@@ -194,6 +194,10 @@ abstract class InvoiceEntity extends Object
 
   InvoiceEntity._();
 
+  // ignore: unused_element
+  static void _initializeBuilder(InvoiceEntityBuilder builder) =>
+      builder..hasTasks = false;
+
   @override
   @memoized
   int get hashCode;

lib/data/models/invoice_model.g.dart

@@ -2227,7 +2227,9 @@ class InvoiceEntityBuilder
   String get id => _$this._id;
   set id(String id) => _$this._id = id;
 
-  InvoiceEntityBuilder();
+  InvoiceEntityBuilder() {
+    InvoiceEntity._initializeBuilder(this);
+  }
 
   InvoiceEntityBuilder get _$this {
     if (_$v != null) {

lib/ui/invoice/edit/invoice_edit_desktop.dart

@@ -440,7 +440,9 @@ class InvoiceEditDesktopState extends State<InvoiceEditDesktop>
           ],
         ),
         if (invoice.isInvoice &&
-            (invoice.hasTasks || (company.showTasksTable ?? false)))
+            (invoice.hasTasks ||
+                invoice.lineItems.any((item) => item.isTask) ||
+                (company.showTasksTable ?? false)))
           Padding(
             padding: const EdgeInsets.symmetric(horizontal: 18),
             child: AppTabBar(