Display expiry status on StockItem page

- Also adds ability to filter Stock table by expired status

InvenTree/templates/js/stock.js

@@ -532,6 +532,10 @@ function loadStockTable(table, options) {
                         html += makeIconBadge('fa-user', '{% trans "Stock item assigned to customer" %}');
                     }
 
+                    if (row.expired) {
+                        html += makeIconBadge('fa-stopwatch icon-red', '{% trans "Stock item has expired" %}');
+                    }
+
                     if (row.allocated) {
                         html += makeIconBadge('fa-bookmark', '{% trans "Stock item has been allocated" %}');
                     }

InvenTree/templates/js/table_filters.js

@@ -106,6 +106,11 @@ function getAvailableTableFilters(tableKey) {
                 title: '{% trans "Depleted" %}',
                 description: '{% trans "Show stock items which are depleted" %}',
             },
+            expired: {
+                type: 'bool',
+                title: '{% trans "Expired" %}',
+                description: '{% trans "Show stock items which have expired" %}',
+            },
             in_stock: {
                 type: 'bool',
                 title: '{% trans "In Stock" %}',