objects IDs counter refactoring

backend/app/bl/GameObjectsManager.js

@@ -30,7 +30,7 @@ class GameObjectsManager{
          * @param {GameObject} data Asset data, данни за игровия обект
          */
         this.create = async function(ctx, data){
-            data.id = (await db.getLastId(collection)) + 1;
+            data.id = await db.getId(collection);
             await db.create(collection, data);
             if (ctx.files?.file){
                 await this.addFile(data, ctx.files.file)

backend/app/bl/GamesManager.js

@@ -19,7 +19,7 @@ class GamesManager{
          * @param {Game} data the game description, дефиниция на играта
          */
         this.create = async function(ctx, data){
-            data.id = (await db.getLastId(collection)) + 1;
+            data.id = await db.getId(collection);
             await db.create(collection, data);
             return data;
         }

backend/app/bl/ScenariosManager.js

@@ -20,7 +20,7 @@ class ScenariosManager{
          * @param {Scenario} data the scenario, данни за сценария
          */
         this.create = async function(ctx, data){
-            data.id = (await db.getLastId(collection)) + 1;
+            data.id = await db.getId(collection);
             await db.create(collection, data);
             return data;
         }