Parameters refactor (#738)

* refactor attachment code into its own file

* Add getters

* Remove custom models for each type of attachment

* Refactor existing widgets

* Fix double camera open bug

* Add check for modern parameter API

* Add generic parameter type

* Remove old code

* Remove dead code

* Refactor previous widget

* Remove unused imports

* Refactor common code

* format

* Update release notes

* Helper func to render parameters list tile

* Display parameters on part page

* parameters for company

* Supplier more model types:

- ManufacturerPart
- SupplierPart
- PurchaseOrder
- SalesOrder

* dart format

* Fix image prefix

* Remove unused import

* Adjust API version

lib/widget/order/sales_order_detail.dart

@@ -5,12 +5,14 @@ import "package:inventree/barcode/barcode.dart";
 import "package:inventree/barcode/sales_order.dart";
 import "package:inventree/inventree/attachment.dart";
 import "package:inventree/inventree/company.dart";
+import "package:inventree/inventree/parameter.dart";
 import "package:inventree/inventree/sales_order.dart";
 import "package:inventree/preferences.dart";
 import "package:inventree/widget/link_icon.dart";
 import "package:inventree/widget/order/so_extra_line_list.dart";
 import "package:inventree/widget/order/so_line_list.dart";
 import "package:inventree/widget/order/so_shipment_list.dart";
+import "package:inventree/widget/parameter_widget.dart";
 import "package:inventree/widget/refreshable_state.dart";
 
 import "package:inventree/l10.dart";
@@ -43,6 +45,7 @@ class _SalesOrderDetailState extends RefreshableState<SalesOrderDetailWidget> {
   bool showCameraShortcut = true;
   bool supportsProjectCodes = false;
   int attachmentCount = 0;
+  int parameterCount = 0;
 
   @override
   String getAppBarTitle() {
@@ -271,6 +274,16 @@ class _SalesOrderDetailState extends RefreshableState<SalesOrderDetailWidget> {
       true,
     );
 
+    InvenTreeParameter()
+        .countParameters(InvenTreeSalesOrder.MODEL_TYPE, widget.order.pk)
+        .then((int value) {
+          if (mounted) {
+            setState(() {
+              parameterCount = value;
+            });
+          }
+        });
+
     InvenTreeAttachment()
         .countAttachments(InvenTreeSalesOrder.MODEL_TYPE, widget.order.pk)
         .then((int value) {
@@ -497,6 +510,18 @@ class _SalesOrderDetailState extends RefreshableState<SalesOrderDetailWidget> {
       ),
     );
 
+    ListTile? parameterTile = ShowParametersItem(
+      context,
+      InvenTreeSalesOrder.MODEL_TYPE,
+      widget.order.pk,
+      parameterCount,
+      widget.order.canEdit,
+    );
+
+    if (parameterTile != null) {
+      tiles.add(parameterTile);
+    }
+
     ListTile? attachmentTile = ShowAttachmentsItem(
       context,
       InvenTreeSalesOrder.MODEL_TYPE,