src/vs/workbench/contrib/search/browser/searchView.ts/SearchView/clearSearchResults
class SearchView:	clearSearchResults(clearInput = true): void {
		this.viewModel.searchResult.clear();
		this.showEmptyStage(true);
		if (this.contextService.getWorkbenchState() === WorkbenchState.EMPTY) {
			this.showSearchWithoutFolderMessage();
		}
		if (clearInput) {
			if (this.allSearchFieldsClear()) {
				this.clearFilePatternFields();
			}
			this.searchWidget.clear();
		}
		this.viewModel.cancelSearch();
		this.tree.ariaLabel = nls.localize('emptySearch', "Empty Search");

		aria.status(nls.localize('ariaSearchResultsClearStatus', "The search results have been cleared"));
		this.reLayout();
	}