Fix incorrect JWT claim key for householdId in MeController

src/main/java/se/urmo/hemhub/web/MeController.java

@@ -24,7 +24,7 @@ public class MeController {
         response.put("sub", jwt.getSubject());
         response.put("email", jwt.getClaimAsString("email"));
         response.put("preferred_username", jwt.getClaimAsString("preferred_username"));
-        response.put("householdId", jwt.getClaimAsString("household_id"));
+        response.put("householdId", jwt.getClaimAsString("householdId"));
         response.put("roles", roles);
 
         return response;