recent_topics: Call revive_current_focus as part of redraw process.

This makes more sense as it ensures we revive focus after every
redraw.

frontend_tests/node_tests/list_widget.js

@@ -237,13 +237,18 @@ run_test("no filtering", () => {
     const scroll_container = make_scroll_container();
     container.html = () => {};
 
+    let callback_called = false;
     // Opts does not require a filter key.
     const opts = {
         modifier: (item) => div(item),
         simplebar_container: scroll_container,
+        callback_after_render: () => {
+            callback_called = true;
+        },
     };
     const widget = ListWidget.create(container, ["apple", "banana"], opts);
     widget.render();
+    assert.deepEqual(callback_called, true);
 
     const expected_html = "<div>apple</div><div>banana</div>";
     assert.deepEqual(container.appended_data.html(), expected_html);

static/js/list_widget.js

@@ -203,6 +203,10 @@ exports.create = function ($container, list, opts) {
 
         $container.append($(html));
         meta.offset += load_count;
+
+        if (opts.callback_after_render) {
+            opts.callback_after_render();
+        }
     };
 
     widget.render_item = (item) => {

static/js/recent_topics.js

@@ -382,7 +382,6 @@ exports.update_filters_view = function () {
     show_selected_filters();
 
     topics_widget.hard_redraw();
-    revive_current_focus();
 };
 
 function stream_sort(a, b) {
@@ -445,8 +444,8 @@ exports.complete_rerender = function () {
         },
         html_selector: get_topic_row,
         simplebar_container: $("#recent_topics_table .table_fix_head"),
+        callback_after_render: revive_current_focus,
     });
-    revive_current_focus();
 };
 
 exports.is_visible = function () {