fix(vue-demi): use vue demi again because compilation use vue3 instead

Author: AMontagu

package-lock.json

@@ -20,6 +20,7 @@
     "lodash.clonedeep": "^4.5.0",
     "lodash.debounce": "^4.0.8",
     "lodash.isequal": "^4.5.0",
+    "vue-demi": "^0.13.11",
     "vue-router": "^4.0.3"
   },
   "devDependencies": {
@@ -58,7 +59,7 @@
     "vue-jest": "^5.0.0-0"
   },
   "peerDependencies": {
-    "vue": "^2.7.0 || >=3.0.0-rc.0",
+    "vue": "^2.6.0 || >=3.0.0-rc.0",
     "@vue/composition-api": "^1.0.0-rc.2"
   },
   "browserslist": [

package.json

@@ -13,7 +13,7 @@ import {
 import cloneDeep from "lodash.clonedeep";
 import isEqual from "lodash.isequal";
 
-import { ref, watch, nextTick, computed, Ref } from 'vue'
+import { ref, watch, nextTick, computed, Ref } from 'vue-demi'
 import {GenericDictionnary, VDUSConfiguration, VuetifyOptions, VDUSFormSchema, VDUSDatatableOptions} from "./utils/VDUSTypes"
 
 /*