Fix compilation errors for TS 2.4

src/vs/workbench/parts/extensions/electron-browser/extensionsViews.ts

@@ -32,7 +32,7 @@ import { IListService } from 'vs/platform/list/browser/listService';
 import { IExtensionService } from 'vs/platform/extensions/common/extensions';
 import { IThemeService } from 'vs/platform/theme/common/themeService';
 import { attachListStyler, attachBadgeStyler } from 'vs/platform/theme/common/styler';
-import { CollapsibleView, IViewletViewOptions } from 'vs/workbench/parts/views/browser/views';
+import { CollapsibleView, IViewletViewOptions, IViewOptions } from 'vs/workbench/parts/views/browser/views';
 import { OpenGlobalSettingsAction } from 'vs/workbench/parts/preferences/browser/preferencesActions';
 import { IWorkbenchEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { IEditorGroupService } from 'vs/workbench/services/group/common/groupService';
@@ -69,7 +69,7 @@ export class ExtensionsListView extends CollapsibleView {
 		@ITelemetryService private telemetryService: ITelemetryService,
 		@IProgressService private progressService: IProgressService
 	) {
-		super({ ...options, ariaHeaderLabel: options.name, sizing: ViewSizing.Flexible, collapsed: !!options.collapsed, initialBodySize: 1 * 62 }, keybindingService, contextMenuService);
+		super({ ...(options as IViewOptions), ariaHeaderLabel: options.name, sizing: ViewSizing.Flexible, collapsed: !!options.collapsed, initialBodySize: 1 * 62 }, keybindingService, contextMenuService);
 	}
 
 	renderHeader(container: HTMLElement): void {