WebUI component:

- Updated dashboard for load generator's status

src/webui/grafana_prom_load_generator.json

-{
+{"overwrite": true, "folderId": 0, "dashboard":
+  {
     "annotations": {
       "list": [
         {
@@ -24,7 +25,7 @@
     "editable": true,
     "fiscalYearStartMonth": 0,
     "graphTooltip": 0,
-    "id": 9,
+    "id": null,
     "iteration": 1682525724520,
     "links": [],
     "liveNow": false,
@@ -380,4 +381,5 @@
     "uid": "tfs-loadgen-stats",
     "version": 3,
     "weekStart": ""
-  }
\ No newline at end of file
+  }
+}