Fix compilation error: add callSite to IRequestOptions

Upstream added a required callSite property to IRequestOptions.
Updated the Che-specific devWorkspaceAssistant to include it.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: che-code-rebase-bot

code/src/vs/workbench/contrib/remote/browser/che/devWorkspaceAssistant.ts

@@ -66,7 +66,8 @@ export class DevWorkspaceAssistant {
 		const context = await this.requestService.request({
 			type: 'get',
 			url,
-			timeout: 5000
+			timeout: 5000,
+			callSite: 'devWorkspaceAssistant'
 		}, CancellationToken.None);
 		const result = await asJson(context);
 		return result as DevWorkspaceLike;