fix missing icons in symbol search picker

src/vs/editor/common/modes.ts

@@ -646,7 +646,7 @@ export const symbolKindToCssClass = (function () {
 	_fromMapping[SymbolKind.TypeParameter] = 'type-parameter';
 
 	return function toCssClassName(kind: SymbolKind): string {
-		return _fromMapping[kind] || 'property';
+		return `symbol-icon ${_fromMapping[kind] || 'property'}`;
 	};
 })();
 

src/vs/editor/contrib/documentSymbols/outlineTree.ts

@@ -162,7 +162,7 @@ export class OutlineRenderer implements IRenderer {
 
 	renderElement(tree: ITree, element: OutlineGroup | OutlineElement, templateId: string, template: OutlineTemplate): void {
 		if (element instanceof OutlineElement) {
-			template.icon.className = `outline-element-icon symbol-icon ${symbolKindToCssClass(element.symbol.kind)}`;
+			template.icon.className = `outline-element-icon ${symbolKindToCssClass(element.symbol.kind)}`;
 			template.label.set(element.symbol.name, element.score ? createMatches(element.score[1]) : undefined, localize('title.template', "{0} ({1})", element.symbol.name, OutlineRenderer._symbolKindNames[element.symbol.kind]));
 			template.detail.innerText = element.symbol.detail || '';
 			this._renderMarkerInfo(element, template);

src/vs/workbench/browser/parts/editor/breadcrumbsControl.ts

@@ -93,7 +93,7 @@ class Item extends BreadcrumbsItem {
 
 			if (this.options.showSymbolIcons) {
 				let icon = document.createElement('div');
-				icon.className = `symbol-icon ${symbolKindToCssClass(this.element.symbol.kind)}`;
+				icon.className = symbolKindToCssClass(this.element.symbol.kind);
 				container.appendChild(icon);
 				dom.addClass(container, 'shows-symbol-icon');
 			}