Address Copilot review: fix floating promise, update stale comment

- Add void to unhandled this.refresh() in pluginListWidget itemProvider
  onChange handler (consistent with all other call sites)
- Update comment in remoteAgentHostCustomizationHarness to reflect that
  synced bundles now preserve per-skill subdirectories

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: joshspicer

src/vs/sessions/contrib/remoteAgentHost/browser/remoteAgentHostCustomizationHarness.ts

@@ -456,8 +456,9 @@ export class RemoteAgentCustomizationItemProvider extends Disposable implements
 	/**
 	 * Emits one {@link ICustomizationItem} per child of a per-type
 	 * sub-folder. Skills are conventionally folders containing
-	 * `SKILL.md`, but the local-sync bundler writes them as flat files;
-	 * both layouts are accepted.
+	 * `SKILL.md`, and synced bundles may preserve per-skill
+	 * subdirectories; flat skill files can still appear for legacy
+	 * bundles, so both layouts are accepted.
 	 */
 	private _collectFromTypeDir(entries: readonly { name: string; resource: URI; isDirectory: boolean }[], promptType: PromptsType, groupKey: string): ICustomizationItem[] {
 		const items: ICustomizationItem[] = [];

src/vs/workbench/contrib/chat/browser/aiCustomization/pluginListWidget.ts

@@ -660,7 +660,7 @@ export class PluginListWidget extends Disposable {
 			if (itemProvider) {
 				itemProviderChangeDisposable.value = itemProvider.onDidChange(() => {
 					if (!this.browseMode) {
-						this.refresh();
+						void this.refresh();
 					}
 				});
 			} else {