fix: add the built-in addons for the searchPane (#193)

Author: wewoor

src/controller/search/search.tsx

@@ -14,6 +14,9 @@ import {
     SEARCH_REPLACE_ALL_COMMAND_ID,
     SEARCH_ACTIVITY_ITEM,
     builtInSearchActivityItem,
+    builtInHeaderToolbar,
+    builtInSearchAddons,
+    builtInReplaceAddons,
 } from 'mo/model/workbench/search';
 import {
     ActivityBarService,
@@ -98,6 +101,12 @@ export class SearchController extends Controller implements ISearchController {
 
         this.sidebarService.push(searchSidePane);
 
+        this.searchService.setState({
+            headerToolBar: builtInHeaderToolbar(),
+            searchAddons: builtInSearchAddons(),
+            replaceAddons: builtInReplaceAddons(),
+        });
+
         this.activityBarService.addBar(builtInSearchActivityItem());
 
         this.activityBarService.onSelect((e, item: IActivityBarItem) => {