Adds filter to purchase order for "assigned to me"

InvenTree/templates/js/translated/table_filters.js

@@ -327,6 +327,10 @@ function getAvailableTableFilters(tableKey) {
                 type: 'bool',
                 title: '{% trans "Overdue" %}',
             },
+            assigned_to_me: {
+                type: 'bool',
+                title: '{% trans "Assigned to me" %}',
+            },
         };
     }