fix: restore withAgentAuthHeaders after View as identity clear

The previous change dropped the function declaration when inserting
clearAgentRemoteUser, which broke the frontend parse.

Co-authored-by: Venkat SF <venkatesh.sakamuri@stayflexi.com>

Author: cursoragent

src/lib/api/agentClient.js

@@ -31,6 +31,8 @@ export function clearAgentRemoteUser() {
   agentRemoteUser = null
   agentCsrfToken = null
 }
+
+function withAgentAuthHeaders(headers = {}) {
   if (agentRemoteUser) {
     headers["X-Remote-User"] = agentRemoteUser;
   }