Fix unexpected data save when switching dialog

SampleBots/ToDoLuisBot/AddItem/AddItem.dialog

@@ -2,12 +2,12 @@
   "$type": "Microsoft.AdaptiveDialog",
   "$designer": {
     "createdAt": "2019-07-16T20:14:36.220Z",
-    "updatedAt": "2019-07-16T20:15:16.280Z",
+    "updatedAt": "2019-10-09T22:39:10.418Z",
     "id": "479285"
   },
   "autoEndDialog": true,
+  "defaultResultProperty": "dialog.result",
   "generator": "common.lg",
-  "$schema": "../../app.schema",
   "events": [
     {
       "$type": "Microsoft.OnBeginDialog",
@@ -110,15 +110,31 @@
               "choices": [
                 {
                   "value": "shopping",
-                  "synonyms": ["1", "first", "shopping", "first one"]
+                  "synonyms": [
+                    "1",
+                    "first",
+                    "shopping",
+                    "first one"
+                  ]
                 },
                 {
                   "value": "grocery",
-                  "synonyms": ["2", "second", "grocery", "second one"]
+                  "synonyms": [
+                    "2",
+                    "second",
+                    "grocery",
+                    "second one"
+                  ]
                 },
                 {
                   "value": "todo",
-                  "synonyms": ["3", "third", "todo", "third one", "to do"]
+                  "synonyms": [
+                    "3",
+                    "third",
+                    "todo",
+                    "third one",
+                    "to do"
+                  ]
                 }
               ],
               "appendChoices": true,
@@ -204,5 +220,6 @@
         }
       ]
     }
-  ]
+  ],
+  "$schema": "../../app.schema"
 }

SampleBots/ToDoLuisBot/DeleteItem/DeleteItem.dialog

@@ -2,20 +2,19 @@
   "$type": "Microsoft.AdaptiveDialog",
   "$designer": {
     "createdAt": "2019-07-16T20:14:51.731Z",
-    "updatedAt": "2019-07-16T20:15:19.525Z",
+    "updatedAt": "2019-10-09T22:39:25.134Z",
     "id": "735299"
   },
   "autoEndDialog": true,
+  "defaultResultProperty": "dialog.result",
   "generator": "common.lg",
-  "$schema": "../../app.schema",
   "events": [
     {
       "$type": "Microsoft.OnBeginDialog",
       "$designer": {
         "id": "833026",
         "updatedAt": "2019-07-22T08:12:26.158Z"
       },
-
       "actions": [
         {
           "$type": "Microsoft.SetProperty",
@@ -221,5 +220,6 @@
         }
       ]
     }
-  ]
-}
+  ],
+  "$schema": "../../app.schema"
+}

SampleBots/ToDoLuisBot/Main/Main.dialog

@@ -3,11 +3,12 @@
   "$id": "root",
   "$designer": {
     "createdAt": "2019-07-01T10:00:39.032Z",
-    "updatedAt": "2019-07-16T20:04:10.274Z",
+    "updatedAt": "2019-10-09T22:39:34.873Z",
     "id": "948970",
     "description": "This is a bot that demonstrates managing a ToDo list using LUIS & Language Understanding"
   },
   "autoEndDialog": false,
+  "defaultResultProperty": "dialog.result",
   "recognizer": "Main.lu",
   "generator": "common.lg",
   "events": [

SampleBots/ToDoLuisBot/ShowItems/ShowItems.dialog

@@ -2,20 +2,19 @@
   "$type": "Microsoft.AdaptiveDialog",
   "$designer": {
     "createdAt": "2019-07-16T20:15:20.633Z",
-    "updatedAt": "2019-07-16T20:15:24.313Z",
+    "updatedAt": "2019-10-09T22:34:29.320Z",
     "id": "327317"
   },
   "autoEndDialog": true,
+  "defaultResultProperty": "dialog.result",
   "generator": "common.lg",
-  "$schema": "../../app.schema",
   "events": [
     {
       "$type": "Microsoft.OnBeginDialog",
       "$designer": {
         "id": "515654",
         "updatedAt": "2019-07-22T08:12:34.596Z"
       },
-
       "actions": [
         {
           "$type": "Microsoft.SetProperty",
@@ -148,5 +147,6 @@
         }
       ]
     }
-  ]
-}
+  ],
+  "$schema": "../../app.schema"
+}