Add designs templates

lib/redux/design/design_selectors.dart

@@ -98,3 +98,16 @@ String? getDesignIdForVendorByEntity(
       return settings.defaultInvoiceDesignId;
   }
 }
+
+bool hasDesignTemplatesForEntityType(
+    BuiltMap<String, DesignEntity> designMap, EntityType entityType) {
+  var hasMatch = false;
+
+  designMap.forEach((designId, design) {
+    if (design.supportsEntityType(entityType)) {
+      hasMatch = true;
+    }
+  });
+
+  return hasMatch;
+}

lib/ui/invoice/invoice_pdf.dart

@@ -11,6 +11,7 @@ import 'package:flutter_redux/flutter_redux.dart';
 import 'package:http/http.dart' as http;
 import 'package:http/http.dart';
 import 'package:invoiceninja_flutter/main_app.dart';
+import 'package:invoiceninja_flutter/redux/design/design_selectors.dart';
 import 'package:invoiceninja_flutter/ui/app/dialogs/error_dialog.dart';
 import 'package:invoiceninja_flutter/ui/app/forms/design_picker.dart';
 import 'package:invoiceninja_flutter/utils/files.dart';
@@ -88,6 +89,7 @@ class _InvoicePdfViewState extends State<InvoicePdfView> {
       invoice,
       _isDeliveryNote,
       _activityId,
+      _designId,
     ).then((response) async {
       setState(() {
         _response = response;
@@ -176,8 +178,10 @@ class _InvoicePdfViewState extends State<InvoicePdfView> {
                 ),
               );
 
-    final designSelector =
-        _activityId != null || (kIsWeb && state.prefState.enableNativeBrowser)
+    final designSelector = _activityId != null ||
+            (kIsWeb && state.prefState.enableNativeBrowser) ||
+            !hasDesignTemplatesForEntityType(
+                state.designState.map, invoice.entityType!)
         ? SizedBox()
         : Padding(
             padding: const EdgeInsets.only(left: 17),
@@ -195,6 +199,7 @@ class _InvoicePdfViewState extends State<InvoicePdfView> {
                   },
                   label: localization.design,
                   showBlank: true,
+                  entityType: invoice.entityType,
                 ),
               ),
             ),
@@ -310,6 +315,7 @@ Future<Response?> _loadPDF(
   InvoiceEntity invoice,
   bool isDeliveryNote,
   String? activityId,
+  String? designId,
 ) async {
   http.Response? response;