Fixed bug when reloading page

frontend/src/util/helpers.ts

-import vueInstance from '@/main.ts'
 
 export function nameSpacer (namespace: string) {
   return function (commitType: string) {
@@ -42,10 +41,10 @@ export function createComputedGetterSetter (
   {path: string, mutation: string, namespace:string}): GetSetPair {
   return {
     get (): any {
-      return getObjectValueByPath(vueInstance.$store.state, path)
+      return getObjectValueByPath(this.$store.state, path)
     },
     set (val: object): void {
-      vueInstance.$store.commit(`${namespace ? namespace + '/' : ''}${mutation}`, val)
+      this.$store.commit(`${namespace ? namespace + '/' : ''}${mutation}`, val)
     }
   }
 }