Improve table filter naming

InvenTree/stock/templates/stock/item_childs.html

@@ -31,6 +31,7 @@ loadStockTable($("#stock-table"), {
         part_details: true,
         ancestor: {{ item.id }},
     },
+    name: 'item-childs',
     groupByField: 'location',
     buttons: [
         '#stock-options',

InvenTree/templates/js/stock.html

@@ -238,7 +238,7 @@ function loadStockTable(table, options) {
 
     var filters = {};
 
-    var filterKey = options.filterKey || "stock";
+    var filterKey = options.filterKey || options.name || "stock";
      
     if (!options.disableFilters) {
         filters = loadTableFilters(filterKey);