Revert - move striping logic back to javascript for running extensions

src/vs/workbench/parts/extensions/electron-browser/media/runtimeExtensionsEditor.css

@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-.runtime-extensions-editor .monaco-list .monaco-list-rows > .monaco-list-row:nth-child(even):not(:hover):not(.focused) {
+.runtime-extensions-editor .monaco-list .monaco-list-rows > .monaco-list-row.odd:not(:hover):not(.focused) {
 	background-color: rgba(130, 130, 130, 0.08);
 }
 

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

@@ -291,6 +291,8 @@ export class RuntimeExtensionsEditor extends BaseEditor {
 
 				data.elementDisposables = dispose(data.elementDisposables);
 
+				toggleClass(data.root, 'odd', index % 2 === 1);
+
 				data.name.textContent = element.marketplaceInfo ? element.marketplaceInfo.displayName : element.description.displayName;
 
 				const activationTimes = element.status.activationTimes;