Dashboard: Transform v2alpha1 to v1beta1 (#114024)

Co-authored-by: Haris Rozajac <haris.rozajac12@gmail.com>

apps/dashboard/pkg/migration/conversion/testdata/output/v2beta1.complete.v0alpha1.json

@@ -277,6 +277,19 @@
           },
           "title": "Test: Complete V2alpha1 Dashboard Example",
           "variables": [
+            {
+              "kind": "SwitchVariable",
+              "spec": {
+                "name": "switch_var",
+                "current": "false",
+                "enabledValue": "true",
+                "disabledValue": "false",
+                "label": "Enable Feature",
+                "hide": "dontHide",
+                "skipUrlSync": false,
+                "description": "Toggle feature on/off"
+              }
+            },
             {
               "kind": "QueryVariable",
               "spec": {
@@ -289,7 +302,7 @@
                 },
                 "label": "Prometheus Query",
                 "hide": "dontHide",
-                "refresh": "time",
+                "refresh": "onDashboardLoad",
                 "skipUrlSync": false,
                 "description": "Shows all up metrics",
                 "query": {