add install action to disposables

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

@@ -114,7 +114,7 @@ export class Renderer implements IPagedRenderer<IExtension, ITemplateData> {
 		const manageAction = this.instantiationService.createInstance(ManageExtensionAction);
 
 		actionbar.push([updateAction, reloadAction, installAction, disabledStatusAction, maliciousStatusAction, manageAction], actionOptions);
-		const disposables = [versionWidget, installCountWidget, ratingsWidget, maliciousStatusAction, disabledStatusAction, updateAction, reloadAction, manageAction, actionbar, bookmarkStyler];
+		const disposables = [versionWidget, installCountWidget, ratingsWidget, maliciousStatusAction, disabledStatusAction, updateAction, installAction, reloadAction, manageAction, actionbar, bookmarkStyler];
 
 		return {
 			root, element, icon, name, installCount, ratings, author, description, disposables,