Fix import issue

Author: Tyriar

addons/addon-search/src/SearchEngine.test.ts

@@ -5,7 +5,7 @@
 import { assert } from 'chai';
 import { SearchEngine } from './SearchEngine';
 import { SearchLineCache } from './SearchLineCache';
-import { Terminal } from '@xterm/xterm';
+import { Terminal } from 'browser/public/Terminal';
 import type { ISearchOptions } from '@xterm/addon-search';
 import { DisposableStore } from 'vs/base/common/lifecycle';