Possible fix for:

- #3382
- #3312

wled00/wled_server.cpp

@@ -211,6 +211,8 @@ void initServer()
 
     if (verboseResponse) {
       if (!isConfig) {
+        lastInterfaceUpdate = millis(); // prevent WS update until cooldown
+        interfaceUpdateCallMode = CALL_MODE_WS_SEND; // schedule WS update
         serveJson(request); return; //if JSON contains "v"
       } else {
         doSerializeConfig = true; //serializeConfig(); //Save new settings to FS