fix: Clear filter doesn't work on Docs

resolves https://github.com/abpframework/abp/issues/6709

modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/index.js

@@ -71,9 +71,11 @@
                 });
             };
 
-            $('#filter').keyup(function (e) {
+            $('#filter').on('input', (e) => {
                 filterDocumentItems(e.target.value);
+            })
 
+            $('#filter').keyup(function (e) {
                 if (e.key === 'Enter') {
                     gotoFilteredDocumentIfThereIsOnlyOne();
                 }