refactoring: replaced global var opened by opened_concernement

src/stores/concernements.js

@@ -21,7 +21,7 @@ export const ConcernementsStore = defineStore({
     concernementsByID: {},
     allEntitesById: {},
     allBesoinsById: {},
-    opened: false,
+    opened_concernement: false,
     opened_entite_id: null,
     ct_concernement: {},
     ct_entite: {},
@@ -220,12 +220,12 @@ export const ConcernementsStore = defineStore({
         state = id === c.id;
         this.concernements[i].opened = this.concernementsByID[c.id].opened = state;
         if (state) {
-          this.opened = c;
+          this.opened_concernement = c;
         }
       });
     },
     resetConcernementOpened () {
-      this.opened = null;
+      this.opened_concernement = null;
       this.openCloseConcernements();
     },
     setOpenedEntityId(id){