Fix the disjuction of panels (#39412)

[As code] Correct trim apply defaults when import/export dashboards

pkg/schema/testdata/trimapplydefaults/basicList.txtar

@@ -33,7 +33,7 @@ Verifies common usecases for trimdefault/applydefault functions:
   }
 }
 
--- Trimed --
+-- Trimmed --
 {
   "timepicker": {
     "collapse": true

pkg/schema/testdata/trimapplydefaults/basicStruct.txtar

@@ -17,19 +17,19 @@ Verifies common usecases for trimdefault/applydefault functions:
 
 -- Full --
 {
-  "id": 42,
-  "uid": "emal8gQMz",
-  "style": "light",
   "editable": true,
+  "graphTooltip": 0,
+  "id": 42,
   "schemaVersion": 27,
-  "version": 2,
-  "graphTooltip": 0
+  "style": "light",
+  "uid": "emal8gQMz",
+  "version": 2
 }
 
--- Trimed --
+-- Trimmed --
 {
   "id": 42,
-  "uid": "emal8gQMz",
   "schemaVersion": 27,
+  "uid": "emal8gQMz",
   "version": 2
 }

pkg/schema/testdata/trimapplydefaults/disjuctList.txtar

@@ -0,0 +1,71 @@
+Verifies common usecases for trimdefault/applydefault functions:
+* open structure should be kept when fields not present
+
+-- CUE --
+#ListA: {
+  datasource: "gdev-postgres"
+  hide: number | *0
+  includeAll : bool | *true
+  label: string | *"Datacenter"
+}
+#ListB: {
+  datasource: "gdev-mysql"
+  hide: number | *1
+  includeAll : bool | *false
+  label: string | *"Datacenter"
+}
+#ListC: {
+  datasource: !=""
+  hide: number | *2
+  includeAll : bool | *false
+  label: string | *"Awesome"
+}
+{ 
+  templating?: list: [...#ListA | #ListB | #ListC]
+}
+
+-- Full --
+{
+  "templating": {
+    "list": [
+      {
+        "datasource": "gdev-postgres",
+        "hide": 0,
+        "includeAll": false,
+        "label": "Datacenter"
+      },
+      {
+        "datasource": "gdev-mysql",
+        "hide": 0,
+        "includeAll": false,
+        "label": "Datacenter" 
+      },
+      {
+        "datasource": "gdev-random",
+        "hide": 2,
+        "includeAll": false,
+        "label": "Datacenter" 
+      }
+    ]
+  }
+}
+
+-- Trimmed --
+{
+  "templating": {
+    "list": [
+      {
+        "datasource": "gdev-postgres",
+        "includeAll": false
+      },
+      {
+        "datasource": "gdev-mysql",
+        "hide": 0
+      },
+      {
+        "datasource": "gdev-random",
+        "label": "Datacenter" 
+      }
+    ]
+  }
+}

pkg/schema/testdata/trimapplydefaults/nestedList.txtar

@@ -20,27 +20,27 @@ Verifies common usecases for trimdefault/applydefault functions:
 -- Full --
 {
   "annotations": {
-    "list": [
-      {
-        "builtIn": 1,
-        "datasource": "-- Grafana --",
-        "name": "Annotations & Alerts",
-        "type": "dashboard",
-        "showIn": 0
-      }
-    ]
+      "list": [
+          {
+              "builtIn": 1,
+              "datasource": "-- Grafana --",
+              "name": "Annotations & Alerts",
+              "showIn": 0,
+              "type": "dashboard"
+          }
+      ]
   }
 }
 
--- Trimed --
+-- Trimmed --
 {
   "annotations": {
-    "list": [
-      {
-        "builtIn": 1,
-        "datasource": "-- Grafana --",
-        "name": "Annotations & Alerts"
-      }
-    ]
+      "list": [
+          {
+              "builtIn": 1,
+              "datasource": "-- Grafana --",
+              "name": "Annotations & Alerts"
+          }
+      ]
   }
 }

pkg/schema/testdata/trimapplydefaults/nestedStruct.txtar

@@ -39,7 +39,7 @@ Verifies common usecases for trimdefault/applydefault functions:
   }
 }
 
--- Trimed --
+-- Trimmed --
 {
   "templating": {
     "list": [