🐛 Fixed filtering by primary_tag or primary_author in routes.yaml

closes #10482

- the mapping was missing

core/server/services/url/UrlGenerator.js

@@ -15,6 +15,12 @@ const _ = require('lodash'),
     }, {
         key: 'authors',
         replacement: 'authors.slug'
+    }, {
+        key: 'primary_tag',
+        replacement: 'primary_tag.slug'
+    }, {
+        key: 'primary_author',
+        replacement: 'primary_author.slug'
     }];
 
 class UrlGenerator {