Revize c1664074

Re #8914 - Opravit zobrazení grafů pro endpoint analytics

• analytics working for sensor charts
• analytics for unit charts trigger dummy multiline analytics chart

src/vega/base/default.json

@@ -65 +65 @@
   ],
 
   "signals": [
+
+    {
+      "name": "timeWindow",
+      "value": null
+    },
+    {
+      "name":  "maxTimeDifference",
+      "update": "timeWindow * 5"
+    },
     {
       "name": "detailDomain"
     }