fix: address code review feedback - handle undefined profileName in permission context

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/permissions/src/plugin.ts

@@ -154,7 +154,7 @@ export class PermissionsPlugin implements Plugin {
                         const permissionContext: PermissionContext = {
                             userId,
                             profileName,
-                            profiles: body.profiles || [profileName],
+                            profiles: body.profiles || (profileName ? [profileName] : []),
                             roleName,
                             permissionSetNames: body.permissionSetNames || [],
                         };