[UI] Shipments dashboard widget (#10679)

- Add widget which displays number of pending shipments

src/frontend/lib/enums/ModelInformation.tsx

@@ -170,9 +170,10 @@ export const ModelInformationDict: ModelDict = {
   salesordershipment: {
     label: () => t`Sales Order Shipment`,
     label_multiple: () => t`Sales Order Shipments`,
+    url_overview: '/sales/index/shipments',
     url_detail: '/sales/shipment/:pk/',
     api_endpoint: ApiEndpoints.sales_order_shipment_list,
-    icon: 'sales_orders'
+    icon: 'shipment'
   },
   returnorder: {
     label: () => t`Return Order`,

src/frontend/src/components/dashboard/DashboardWidgetLibrary.tsx

@@ -125,6 +125,13 @@ export function BuiltinQueryCountWidgets(): DashboardWidgetProps[] {
       modelType: ModelType.salesorder,
       params: { assigned_to_me: true, outstanding: true }
     }),
+    QueryCountDashboardWidget({
+      title: t`Pending Shipments`,
+      label: 'pnd-shp',
+      description: t`Show the number of pending sales order shipments`,
+      modelType: ModelType.salesordershipment,
+      params: { order_outstanding: true, shipped: false }
+    }),
     QueryCountDashboardWidget({
       title: t`Active Purchase Orders`,
       label: 'act-po',