Display proper printing target name in the label printing modal dialog (#4727)

Fix #4717

InvenTree/templates/js/translated/stock.js

@@ -1724,7 +1724,9 @@ function loadStockTable(table, options) {
         labels: {
             url: '{% url "api-stockitem-label-list" %}',
             key: 'item',
-        }
+        },
+        singular_name: '{% trans "stock item" %}',
+        plural_name: '{% trans "stock items" %}'
     });
 
     // Override the default values, or add new ones
@@ -2378,7 +2380,9 @@ function loadStockLocationTable(table, options) {
         labels: {
             url: '{% url "api-stocklocation-label-list" %}',
             key: 'location'
-        }
+        },
+        singular_name: '{% trans "stock location" %}',
+        plural_name: '{% trans "stock locations" %}',
     });
 
     for (var key in params) {