Refactor some more forms

lib/inventree/company.dart

@@ -15,6 +15,19 @@ class InvenTreeCompany extends InvenTreeModel {
   @override
   String get URL => "company/";
 
+  @override
+  Map<String, dynamic> formFields() {
+    return {
+      "name": {},
+      "description": {},
+      "website": {},
+      "is_supplier": {},
+      "is_manufacturer": {},
+      "is_customer": {},
+      "currency": {},
+    };
+  }
+
   InvenTreeCompany() : super();
 
   String get image => jsondata['image'] ?? jsondata['thumbnail'] ?? InvenTreeAPI.staticImage;

lib/widget/company_detail.dart

@@ -65,20 +65,9 @@ class _CompanyDetailState extends RefreshableState<CompanyDetailWidget> {
 
   void editCompany(BuildContext context) async {
 
-    launchApiForm(
+    company.editForm(
       context,
       L10().companyEdit,
-      company.url,
-      {
-        "name": {},
-        "description": {},
-        "website": {},
-        "is_supplier": {},
-        "is_manufacturer": {},
-        "is_customer": {},
-        "currency": {},
-      },
-      modelData: company.jsondata,
       onSuccess: (data) async {
         refresh();
       }

lib/widget/part_notes.dart

@@ -46,16 +46,14 @@ class _PartNotesState extends RefreshableState<PartNotesWidget> {
           icon: FaIcon(FontAwesomeIcons.edit),
           tooltip: L10().edit,
           onPressed: () {
-            launchApiForm(
+            part.editForm(
               context,
               L10().editNotes,
-              part.url,
-              {
+              fields: {
                 "notes": {
                   "multiline": true,
                 }
               },
-              modelData: part.jsondata,
               onSuccess: (data) async {
                 refresh();
               }

lib/widget/stock_detail.dart

@@ -109,17 +109,15 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
 
   void _editStockItem(BuildContext context) async {
 
-    launchApiForm(
+    item.editForm(
       context,
       L10().editItem,
-      item.url,
-      {
+      fields: {
         "status": {},
         "batch": {},
         "packaging": {},
         "link": {},
       },
-      modelData: item.jsondata,
       onSuccess: (data) async {
         refresh();
       }

lib/widget/stock_notes.dart

@@ -46,19 +46,17 @@ class _StockNotesState extends RefreshableState<StockNotesWidget> {
               icon: FaIcon(FontAwesomeIcons.edit),
               tooltip: L10().edit,
               onPressed: () {
-                launchApiForm(
-                    context,
-                    L10().editNotes,
-                    item.url,
-                    {
-                      "notes": {
-                        "multiline": true,
-                      }
-                    },
-                    modelData: item.jsondata,
-                    onSuccess: (data) async {
-                      refresh();
+                item.editForm(
+                  context,
+                  L10().editNotes,
+                  fields: {
+                    "notes": {
+                      "multiline": true,
                     }
+                  },
+                  onSuccess: (data) async {
+                    refresh();
+                  }
                 );
               }
           )